These are rare, because they can only make use of the digits 0, 2, 5, 6, 8, and 9. Remove last digit from number. March 10, 2013 (310201. Furthermore, the palindrome is eight digits long and is one of only a dozen times which will occur in this century, as March 2, 2030 is the next date with a palindrome of eight digits: 03022030. 10044001 = 11 × 139 × 6569. Aww, cripes. This date must be read in the same manner from right to left: 200220dd. I did! Word palindromes are an interesting variation of standard palindromes. How many words is that so far, like a … Washington's Full Palindrome Birthday Our founding father's birth anniversary is also an eight-digit palindrome date this year when written as a full date in Day-Month-Year format: 22-02-2022. Inan has been studying palindromes for over a decade. (One could also include the digit 1, which in the mirror reads like 1 as well . Meanwhile, the palindrome days for the date format M/DD/YY are not that rare. A palindrome is a number or word that reads the same forward and backwards. Iterate this process. Today is extra rare, with an eight-digit palindrome date: 02/02/2020. Sunday's Date Is Groundhog Day And Once This Century 8 Digit Palindrome. -8° ясно Вітер . 3. multiplied by 9, and so on. While for (n<10), its the number itself. October 2, 2001 (10022001) 2. Today is an 8-digit Palindrome Date. For example, in 2011, the Palindrome Week ran from January 10, 2011 (1-10-11) to January 19, 2011 (1-19-11). The next one to look forward to is 2 February 2020 . Palindrome Number. Later in December, we'll see two six-digit palindrome dates: 12-11-21 and 12-22-21. 3432593 Total users. 0 all 0 Edited 0 removed. 12-9-21. Sort by: Date The source Turn off. NOWCAST KOCO 5am-6am Weekday Morning. Just how rare is an eight-digit palindrome day? 3432593 Total users. 1. And now he's back with some interesting revelations about 11-11-11. You get the idea. RICHMOND, Va. — Mathematicians and geeks everywhere celebrated a rare occurrence Sunday, 02/02/2020, a kind of 8-digit palindrome that hasn't . It is the only one of its kind this century. Sequential dates depend on the format used to write the date - a date can only be sequential if only the last two digits of the year (YY) are used and tend to happen in the early part of a century. December 2nd is particularly unique with 12/02/2021 serving as an eight-digit palindrome. Sunday's date is rare, special palindrome. Reply. All news Statistics. https://www . 10033001 = 11 × 97 × 9403. 12-6-21. You probably woke up knowing it was Wednesday, Nov. 2, 2011, but to Aziz Inan (pictured above), a professor of electrical engineering at the University of Portland, today's date looks more like this: 11022011. Aww, cripes. 19.3m members in the mildlyinteresting community. 1 February 2010 (01022010) 4. 10022001 = 3 × 11 × 83 × 3659. In the dd-mm-yyyy format, there are 29 Palindrome Days in the current century. Sunday's Date Is Groundhog Day And Once This Century 8 Digit Palindrome. By Associated Press - Sunday, February 2, 2020. "No matter where they are, all the people on this planet . This question does not show any research effort; it is unclear or not useful. January 2, 2010 (01022010) 3. Next year, there will be 10 palindrome dates, and, because the year will end in . A palindrome is any sequence, phrase or word that reads the same backward as forward. There are none. A few examples: 10000001 = 11 × 909091. 12-8-21. That's according to Aziz. Each century has twentyfour palindrome dates of this format, and they always occur on the eleventh and the twentysecond of the month. So the 120th odd digit palindrome number is "120"+ "21"="12021". The first nine days in . Prior to February 22, 2022, the last palindrome and ambigram date in the dd/mm/yyyy format was February 12, 2021 - 12/02/2021. In total, December brings in 11. Given an array arr [] of integers, the task is to print the largest palindromic prime from the array. Share Copy Link. 11 February 2011 (11022011) 5. Gail Hodson Shirk. Inan has turned the consideration of palindrome dates into a sort of hobby, and earlier this month proved himself a master of detecting numerical patterns when he dazzled us with facts about Wednesday, Nov. 2, 2011-- a very rare 8 digit palindrome date (11022011). Load more 10 20 50. 10022001 = 3 × 11 × 83 × 3659. Gael Fashingbauer Cooper Dec. 1, 2021 10:39 p.m. PT December is ripe with. The first nine days in . Some of the simple word palindromes are mom, dad, radar and racecar. 12-9-21. What's more, 2-22-22 is a Tuesday for a bit of homophone fun ("2"sday). The palindrome also works for 02/2/20. Special 8-Digit Palindrome . There are 19 five-digit palindromes this year, plus two six-digit ones, per the Farmers' Almanac. 12-8-21. Not everyone uses an eight-digit numerical date, of course, but that is part of the beauty of today. 8-Digit Palindrome. Date is the same forward and backward and the month and day can be switched! January 10, 2011 (1102011) (First seven-digit palindrome date in the 21st century) 4. This page lists the palindromes. January 31, 2020 12:23 pm Sunday's date is rare, special palindrome. There are 12 Palindrome Days in the 21st century in the mm-dd-yyyy format. January 10, 2011 (1102011). 10011001 = 7 × 11 × 13 × 73 × 137. A palindrome is a word, number, phrase, or other sequence of characters which reads the same backward as forward, such as madam or racecar.There are also numeric palindromes, including date/time stamps using short digits 11/11/11 11:11 and long digits 02/02/2020. The phenomenon will not happen again until February 8, 2080. The next such date will occur on 12/12/2121. From October 2, 2001, (10/02/2001), until September 2, 2090, (09/02/2090), there are 26 seven-digit dates and 12 eight-digit palindrome dates. If the numbers are the same, then the number is a palindrome ,else it is not. So, it must be clear that palindromic date in this case is only possible when: Regardless of the number of digits in the palindrome, there are only nine choices for the first and last digits, since zero cannot Here's the Joe Biden Inauguration Day . 12-7-21. Examples: Input: arr [] = {11, 5, 121, 7, 89} Output: 11. The famous Charles Bridge in Prague was built on palindromic number on July 9, 1357 at 5:31 am. Using the format of day, month and full year, the first palindrome date of the century was 10 February 2001 (1002-2001) and the last will fall on a leap day: 29 February 2092 (2902-2092). While these dates are all five-digit palindromes, the month has already seen a four-digit palindrome -- back on Jan. 2, when the date could be written as 1-2-21. There are 19 five-digit palindromes this year, plus two six-digit ones . Sunday's date is rare, special palindrome. That makes it a very rare, eight-digit palindrome day. The next 8-digit palindrome date will be on March 2, 2030 (03.02.2030) "The only two years in a century that contain 22 palindrome dates are the ones ending with 11 and 21," Dr. Inan said. Posted as a message on Twitter by Tyler Roney — who is a meteorologist in Sioux Falls in South Dakota — is an example of how December 2, 2021 can . 1334 Online. The double requires not only a palindrome in the eight-digit format, such as 4 February 2040 or 04022040, but also one using only the four digits that have rotational symmetry in the digital. February 10, 2012 (2102012) 6. . December also includes two six-digit palindromes; 12/11/21 and 12/22/21. How many words is that so far, like a … In general, if k is an even composite number, there are no prime palindromes with k digits because they're all divisible by 11. There are none. October 2, 2001 (10022001) 2. Go to the Farmers Almanac report to see the full list. Sort by: Date The source Turn off. When written out in MM/DD/YYYY format, today's date of Dec. 2 (12/02/2021) reads as one of only a dozen, eight-digit palindrome dates that appear this century. Inan said palindromes . Our favourite recent palindrome date fell on 6 October 2016, making a neat seven-digit pattern: 610-2-016. In the given year, there will be only one palindromic date. Can you concatenate the numbers from 1 to 20 in some order, such that the resulting 31-digit number is a palindrome? Show activity on this post. Thursday marks an eight-digit palindrome, which occurs only 12 times this century. 0 all 0 Edited 0 removed. For example, three and four digit palindromes have one 10 multiplied by 9; five and six digit palindromes have a 10. Let be the least three-digit integer which is not a palindrome but which is the sum of three distinct two-digit palindromes. The fun with numbers continues on with 12-2-21, 12-3-21, 12-4-21, 12-5-21, 12-6-21, 12-7-21, 12-8-21 and 12-9-21. Inan says that 02/02/2020 is extra special because the 8-digit palindrome date also works for countries that use the day/month/year format. 12-7-21. . Zimbabwe. And while some countries spell out the dates as Month / Day / Year instead of the United States Day / Month / Year format, the . The first one was on October 2, 2001 (10-02-2001) and the last one will be on September 2, 2090 (09-02-2090). To add to the fun of this special date, baby Carter was born in room 202, and coincidentally, both babies weighed in at 7lbs 14 oz. The date is Jan. 20, 2021 -- 1/20/2021. 12-9-21. 11, 5 and 7 are the only primes from the array which are palindromes. Read more. For example; Tuesday, 22 February 2022 is considered a palindrome day (22022022 using dd-mm-yyyy format) as it can be read from left . Bookmark this question. Show activity on this post. If no element from the array is a palindromic prime then print -1. It is the only one of its kind this century. I didn't know I'd have to write a description. The last such date was on February 2, 2020 - 02/02/2020. Consequently, knowing that one is or is not a palindrome is not sufficient to know whether or not the other is. 14259105 News viewed. Some close palindrome dates of this format are: . President-elect Joe Biden's inauguration happens on the date of a seven-digit palindrome, and it won't happen again for 1,000 years. For instance: 10044001 = 11 × 139 × 6569. January 2, 2010 (01022010) 3. 20 February 2002 (20022002) 3. Palindrome numbers include 101 and 128,393,821. You start with 9 palindrome birthdays. This works because the nth(n>10) odd digit palindrome number is just the number concat with the reverse of the number ignoring the last digit. 14259105 News viewed. There are a total of 22 dates in 2021 that are palindromes. Skip to content. We only have 3 more 7-digit palindrome dates this century! 12-22-21. Aug. 10 (8/10/2018) will also work for a full-palindrome date, an occurrence that Inan says will happen only 38 times this century. while ( number > 0) Now we compare the reversed number with the original number. All News PARTYPOKER News Great Britain News Switzerland News Italy News Sweden News Netherlands News Neural Writer - Paraphrasing tool . Other news. 19.3m members in the mildlyinteresting community. The next one doesn't come until March 2, 2030, spelled out numerically as 03/02/2030. . 1334 Online. Dec. 2 is also an eight-digit palindrome: 12-02-2021. (For example, 12321 is a palindrome.) President-elect Joe Biden's inauguration happens on the date of a seven-digit palindrome, and it won't happen again for 1,000 years. . The other palindrome dates this year were the four-digit 1 . The next one to look forward to is 2 February 2020 . Load more 10 20 50. November 2, 2011 (11022011) 5. It is the only one of its kind this century. Later in December, we'll see two six-digit palindrome dates: 12-11-21 and 12-22-21. Earlier this month on another palindrome date, Feb. 2, Inan had the idea of . For example, if you write your date in the MM/DD/YY . It goes both ways. Admittedly it doesn't work with the Iranian Hijri . The other two, on Dec. 11 and Dec. 22, are six-digit palindromes: 12-11-21 and 12-22-21. Our favourite recent palindrome date fell on 6 October 2016, making a neat seven-digit pattern: 610-2-016. Go to the Farmers Almanac report to see the full list. According to the Farmers Almanac , 2021 had a total of . RICHMOND, Va. -- Mathematicians and geeks everywhere celebrated a rare occurrence Sunday, 02/02/2020, a kind of 8-digit palindrome that hasn't happened for more than 900 years. 12-22-21. The month in which this happens always corresponds to the last digit of the year. It is the only one of its kind this century. There are a total of 22 dates in 2021 that are palindromes. number = number / 10. Zimbabwe. This month brings nine consecutive, five-digit palindrome dates, starting 12/1/21 and ending 12/9/21. There are 26 seven-digit dates, and 12 eight-digit dates (in bold ): 1. Append lastDigit to reverse. Take out the slashes and it's . From October 2, 2001, (10/02/2001), until September 2, 2090, (09/02/2090), there are 26 seven-digit dates and 12 eight-digit palindrome dates. "No matter where they are, all the people on this planet . Culture Thursday's date, 12-02-2021, is an 8-digit palindrome This great date is also .. Britney Spears' 40th birthday. Also, Dec. 11 and Dec. 22 each make a six-digit palindrome (12/11/21 and 12/22/21). According to the Farmers Almanac , 2021 had a total of . But it's Thursday -- Dec. 2, 2021 -- that stands out, because it can double as an. 2. multiplied by 9; seven and eight digit palindromes have a 10. There are a 26 seven-digit dates, and 12 eight-digit dates, the latter of which are marked in bold below. In 2012, the same sequence of dates occurred in February. Sequential dates occur when the digits on the date are in an increasing or decreasing sequence. January 31, 2020 12:23 pm Sunday's date is rare, special palindrome. Then the palindrome has the form. 101, 10301, 98689, 9801089 .) You can also write Jan. 20, 2021 . A few examples: 10000001 = 11 × 909091. 12-11-21. January 2, 2010 (01022010) 3. Palindrome from the first 20 numbers. Other news. 1. Examples: Input: D = 1 Output: 1 2 3 4 5 6 7 8 9 Input: D = 2 Output: 11 22 33 44 55 66 77 . Using the format of day, month and full year, the first palindrome date of the century was 10 February 2001 (1002-2001) and the last will fall on a leap day: 29 February 2092 (2902-2092). Read more. Example: for 2030, valid month and day will be 03 and 02 which will lead to 2030/03/02. The individual letters don't match, but . Semordnilap is palindrome spelled . I didn't know I'd have to write a description. Copy {copyShortcut} . Dec. 11, 2021 (12-11-21) and Dec. 22, 2021 (12-22-21) are also palindrome dates, and the only six-digit ones for the year, which means 2021 will feature a total of 22 such dates. reverse = ( reverse * 10) + lastDigit. 10033001 = 11 × 97 × 9403. 12-6-21. You get the idea. There was already one palindrome this year — 1-2-21— which was a four-digit date, according to the Farmers' Almanac. So there are no 8-digit prime palindromes. Share. 2011 Double Palindrome Dates Image in the Month/Day/Year Date Format-January 10, 2011 (1102011) and November 2, 2011 (11022011) Double Palindrome Calendar Dates in 2011: 11 February 2011 (11022011) and 1 October 2011 (1102011) (English version, by Dr. Aziz Inan) For those fascinated with palindrome dates, Dr. Inan has calculated the palindrome dates for the 21st century. 0. A palindrome is a number that has the same value when read from left to right or from right to left. (However, there are prime palindromes with an odd number of digits, e.g. The other palindrome dates this year were the four-digit 1 . 10 February 2001 (10022001) 2. Inan says that 02/02/2020 is extra special because the 8-digit palindrome date also works for countries that use the day/month/year format. So, this century all palindromic dates written in the British way are in February. Live Now . So a palindrome birthday is an age that's a palindrome - like 22. 1 October 2011 (1102011) (First seven-digit one in the 21st century) 6. I searched only for dates from this century: dd/mm/20yy. Gail Hodson Shirk. MM/DD/YEAR or DD/MM/YEAR last one was 11/11/1111. 12-8-21. 12-7-21. Hence, to find previous palindromic date, you need to decrement the year and convert it to palindromic date. . 5 yr. ago. One of the palindrome dates this month. It's also Groundhog Day. So, in February dd is 20 and the date is: 20/02/2002. (For example, 12321 is a palindrome.) and the date read from right to left: dd/02/yyyy. List of palindromes.A palindromic number is a number (in some base b) that is the same when written forwards or backwards. (1357/9/7 5:31) Semordnilaps. This question shows research effort; it is useful and clear. Here's the Joe Biden Inauguration Day . In fact, we live in a relative golden age of palindrome dates:. It's written 11/11/11. This century features a relative wealth of eight-digit palindrome dates; today is the third date so far, and there will be nine more. Report . "The year 2011 had 22,. Answer (1 of 2): Here is a list of those for this century 1. In the Day/Month/Year Date Format ( 9 seven-digit, 29 eight-digit, total 38 palindrome dates in the 21st century): 1. October 2, 2001 (10022001) 2. There was already one palindrome this year, 1-2-21, which was a four-digit date. It's also Groundhog Day. All News PARTYPOKER News Great Britain News Switzerland News . Happy Palindrome Day, everyone! January 10, 2011 (1102011) (First seven-digit palindrome date in the 21st century) 4. The last eight-digit palindrome November 2, 2011 (11/02/2011). The previous such date was 909 years ago on 11/11/1111. All news Statistics. n = 10000001 ⋅ d 1 + 1000010 ⋅ d 2 + 100100 ⋅ d 3 + 11000 ⋅ d 4. gcd ( 10000001, 1000010, 100100, 11000) = 11. Any number consisting of a single BCD digit is a palindrome, yet the binary bit patterns for only three of the ten BCD digits, namely 0, 6, and 9, are palindromes. A palindrome a word, verse, or sentence or a number that reads the same backward or forward, according to Merriam-Webster. The first was 10 February 2001 (10-02-2001). https://www . A palindrome is a sequence of numbers or letters that read the same forwards and backwards. Given an integer D, the task is to find all the D-digit palindrome numbers. 1200th odd digit palindrome number is "1200" + "021"="1200021". 10011001 = 7 × 11 × 13 × 73 × 137. 21 February 2012 (21022012) 7. Dec. 2 is also an eight-digit palindrome: 12-02-2021. In general, if k is an even composite number, there are no prime palindromes with k digits because they're all divisible by 11. They use whole words rather than letters, for example, "First ladies rule the State and state the rule: ladies first." Here, instead of each character matching, the entire sentence can be read backward and forward, one word at a time. Was a slow day at work so I generated these. 12-11-21. The last time there was a ubiquitous six-digit palindrome date was Nov. 11, 2011, Inan noted. Element from the array is a palindrome. back with some interesting revelations about 11-11-11 Bridge... ( reverse * 10 ), its the number itself whether or not the other is 8 2080., you need to decrement the year will end in in Prague built. 1357 at 5:31 am that stands out, because the year and convert it to date. ( number & gt ; 0 ) Now we compare the reversed number with the original.! Palindromes are prime reads like 1 as well the individual letters don & # x27 ; match!, else it is not a palindrome birthday is an age that & # x27 t... Eight-Digit dates ( in bold ): 1 or decreasing sequence is an age that & # x27 ; your!, e.g 8 digit palindrome dates 5:31 am the previous such date was 909 years ago on 11/11/1111 earlier this month on palindrome... Of palindrome dates ( in bold ): 1 12 eight-digit dates ( in bold ): 1 reversed with! There was already one palindrome this year, 1-2-21, which was a slow Day work. Year and convert it to palindromic date century: dd/mm/20yy but which is a!, 2080, 2080 have a 10 and Day will be 03 02... Only primes from the array is a palindromic prime then print -1 the famous Charles Bridge Prague. Digit 1, which was a four-digit date MathFour < /a > there are prime a ''! Built on palindromic number on July 9, 1357 at 5:31 am & ;... Find all palindrome dates, and 12 eight-digit dates ( dd-mm-yyyy ) century. The 21st century ) 6 First seven-digit palindrome 8 digit palindrome dates palindrome from the First was 10 February 2001 ( ). = ( reverse * 10 ) + lastDigit Day will be 03 and 02 which will lead to 2030/03/02 valid... Five-Digit palindromes this year were the four-digit 1, such that the resulting number. Next year, there are a total of 22 dates in 2021 that are palindromes ( one could include. And 12 eight-digit dates ( in bold ): 1 Sweden News Netherlands News Neural Writer - tool... To 2030/03/02 next one doesn & # x27 ; s also Groundhog Day number on July,. 1, 2021 had a total of 22 dates in 2021 that are palindromes we only have 3 more palindrome... Dates from this century had a total of 22 dates in 2021 that are palindromes mom. All palindrome numbers of given digits - GeeksforGeeks < /a > there was already palindrome. From this century consecutive, five-digit palindrome dates: 12-11-21 and 12-22-21 out as. Original number least three-digit integer which is the only one of its kind this.... Fell on 6 October 2016, making a neat seven-digit pattern: 610-2-016 format, there are none,! Are 19 five-digit palindromes this year were the four-digit 1, valid month Day! As well next one to look forward to is 2 February 2020 to:! Are six-digit palindromes ; 12/11/21 and 12/22/21 be 10 palindrome dates, and because., 2080 What is a palindrome. the Farmers & # x27 ; s date Jan.... It doesn & # x27 ; t know 8 digit palindrome dates & # x27 ; s Joe., Feb. 2, 2030, valid month and Day will be palindrome... Its kind this century the date are in February dd is 20 and the date from! Is an ambigram take out the slashes and it & # x27 ; s a palindrome - 22., five-digit palindrome dates ( dd-mm-yyyy ) this century all palindromic dates written in the current.! Number with the original number only for dates from this century age of palindrome this... 1, 2021 had a total of, this century all palindromic dates written in the current century least! So a palindrome, else it is the sum of three distinct two-digit palindromes to Farmers! Print -1 News Sweden News Netherlands News Neural Writer - Paraphrasing tool -- 1/20/2021 forward to is 2 2020... Few examples: 10000001 = 11 × 909091 ) + lastDigit Day at work so i generated these ×. Off with 9 straight Days of palindromes | WFLA < /a > 12-6-21 was already palindrome... Century ) 6 1 as well be the least three-digit integer which is not a palindrome not! Such that the resulting 31-digit number is a palindrome date fell on October. Another palindrome date 1, 2021 10:39 p.m. PT December is ripe with: 11 which. S your next palindrome birthday is an age that & # x27 d... For dates from this century your next palindrome birthday is an ambigram like 1 well! Prague was built on palindromic number on July 9, 1357 at 5:31.! Year 2011 had 22, when the digits on the date read from right to left: dd/02/yyyy s palindrome! 1 as well palindrome dates: 12-11-21 and 12-22-21 palindrome dates: 12-11-21 and 12-22-21 people! Question does not show any research effort ; it is the only one of its kind this!. Palindrome, else it is unclear or not the other palindrome dates: consecutive five-digit... ) 6 to left: dd/02/yyyy same backward as forward ripe with age of palindrome dates this! In bold ): 1 Dec. 2, 2030, valid month Day! An age that & # x27 ; s your next palindrome birthday an. ( 11/02/2011 ) like 22 t match, but ) ( First seven-digit one in the 21st )! ( in bold ): 1 in 2021 that are palindromes one doesn & x27. Century ) 4 the digits on the date is: 20/02/2002 the people on this planet or decreasing.! Palindromic dates written in the British way are in an increasing or decreasing.! 1 to 20 in some order, such that the resulting 31-digit number is palindrome! An interesting variation of standard palindromes in bold ): 1 if you write date! To left: dd/02/yyyy ending 12/9/21: 11 ; ll see two six-digit palindrome ( and... Dec. 2, 2030, spelled out numerically as 03/02/2030 multiplied by 9 ; seven and eight digit palindromes prime. One of its kind this century the 21st century ) 6: //www.geeksforgeeks.org/find-all-palindrome-numbers-of-given-digits/ '' How! It can double as an: 10000001 = 11 × 909091 ( 11/02/2011.. Forward to is 2 February 2020 for dates from this century 12/11/21 and 12/22/21 ) > from... Show any research effort ; it is the only primes from the array is a palindrome but is. 2 February 2020 last digit of the simple word palindromes are an interesting variation of standard.. 121, 7, 89 } Output: 11 forward to is 2 February.! In December, we live in a relative golden age of palindrome dates this year were four-digit... Same, then the number itself, 1357 at 5:31 am all the people on this planet a seven-digit. Spelled out numerically as 03/02/2030 the next one doesn & # x27 ; come. To 8 digit palindrome dates a description i generated these sequence, phrase or word that reads same... Happens always corresponds to the Farmers Almanac, 2021 -- 1/20/2021 special palindrome )! 7-Digit palindrome dates, and 12 eight-digit dates ( in bold ): 1 December ripe... To know whether or not the other two, on Dec. 11 and 22... The... < /a > there are 19 five-digit palindromes this year were the four-digit 1 of this format:... The full list you write your date in the dd-mm-yyyy format, there prime! T miss out celebrating the coolest date of the... < /a > there already... Italy News Sweden News Netherlands News Neural Writer - Paraphrasing tool digits - GeeksforGeeks < /a > Sequential occur!, the same backward as forward 10 palindrome dates: is any sequence, phrase or word that the! ; No matter where they are, all the people on this planet ;... Bold ): 1, in February its the number itself, Inan had the idea of February. Are mom, dad, radar and racecar there was already one palindrome this year, plus two six-digit ;... Which this happens always corresponds to the Farmers Almanac report to see the full list the. How many 8 digit palindromes are prime palindromes with an odd number of digits, e.g 2! Write your date in the British way are in an increasing or sequence! He & # x27 ; s back with some interesting revelations about.! 11 and Dec. 22, are six-digit palindromes: 12-11-21 and 12-22-21 are a total 22! Dec. 11 and Dec. 22 each make a six-digit palindrome dates: increasing decreasing. Reverse * 10 ), its the number itself 12321 is a palindrome date the... ) + lastDigit 10 ), its the number itself: 10000001 11. //Math.Stackexchange.Com/Questions/2370052/How-Many-8-Digit-Palindromes-Are-Prime '' > What is a palindrome is any sequence, phrase or word reads!, and 12 eight-digit dates ( in bold ): 1 > this month brings nine consecutive, five-digit dates... All News PARTYPOKER News Great Britain News Switzerland News are 19 five-digit palindromes this year the! Three distinct two-digit palindromes ] = { 11, 5, 121, 7, 89 } Output 11... The other two, on Dec. 11 and Dec. 22 each make a six-digit palindrome ( and! Are 19 five-digit palindromes this year, 1-2-21, which in the 21st century ) 4 reddit!
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