Question

When is the next palindrome?

score 954 · Answer 1 · 2014-10-05 06:02:16

954

Views

When is the next palindrome?

Published on 05 Oct 2014 - 6:02

score 1.5k · Answer 2 · 2014-10-10 21:00:03

1.5k

Views

Check if we can turn a string into a palindrome by reversing a substring

Published on 10 Oct 2014 - 21:00

score 2.9k · Answer 3 · 2014-10-13 17:42:27

2.9k

Views

Number of binary palindromes in a range

Published on 13 Oct 2014 - 17:42

score 8.9k · Answer 4 · 2014-10-22 04:38:44

8.9k

Views

Proving a palindromic integer with an even number of digits is divisible by 11

Published on 22 Oct 2014 - 4:38

score 3k · Answer 5 · 2014-10-28 00:53:25

3k

Views

Number of palindromes less than $10^9$

Published on 28 Oct 2014 - 0:53

score 33 · Answer 6 · 2014-10-28 17:25:58

33

Views

Palindromic Hypotenuses?

Published on 28 Oct 2014 - 17:25

score 457 · Answer 7 · 2014-11-13 01:18:27

457

Views

Are numbers that are already palindromes Lychrel numbers?

Published on 13 Nov 2014 - 1:18

score 462 · Answer 8 · 2014-11-28 22:06:52

462

Views

expected value of a random palindrome

Published on 28 Nov 2014 - 22:06

score 285 · Answer 9 · 2014-12-08 18:48:25

285

Views

Gap in count of bases for which a number's representation is palindromic (by concatenation of decimal representations)

Published on 08 Dec 2014 - 18:48

score 3.7k · Answer 10 · 2014-12-20 20:35:51

3.7k

Views

Generating mirror numbers by reversing and adding digits

Published on 20 Dec 2014 - 20:35

score 389 · Answer 11 · 2014-12-21 02:57:04

389

Views

Is there an online calculator in which you can type a number and have it tell you if it could be a Lychrel number or not?

Published on 21 Dec 2014 - 2:57

score 51 · Answer 12 · 2019-10-02 23:39:15

51

Views

Is $q=37$ the only prime such that $qd$ and $q^2 d$ are base-$10$ palindromes, where $d = 9018009$?

Published on 02 Oct 2019 - 23:39

score 120 · Answer 13 · 2026-03-18 21:07:04

120

Views

How many times in the future after the 1st of January of 2019 will a palindrome date happen?

Published on 18 Mar 2026 - 21:07

score 1.3k · Answer 14 · 2019-10-12 15:39:26

1.3k

Views

When the product of a multi-digit integer and its mirror is a palindrome, can the original number have digits greater than $2$?

Published on 12 Oct 2019 - 15:39

score 26 · Answer 15 · 2019-11-22 00:39:21

26

Views

How is there fewer zeros in the left of 1 in this language?

Published on 22 Nov 2019 - 0:39

List Question

When is the next palindrome?

Check if we can turn a string into a palindrome by reversing a substring

Number of binary palindromes in a range

Proving a palindromic integer with an even number of digits is divisible by 11

Number of palindromes less than $10^9$

Palindromic Hypotenuses?

Are numbers that are already palindromes Lychrel numbers?

expected value of a random palindrome

Gap in count of bases for which a number's representation is palindromic (by concatenation of decimal representations)

Generating mirror numbers by reversing and adding digits

Is there an online calculator in which you can type a number and have it tell you if it could be a Lychrel number or not?

Is $q=37$ the only prime such that $qd$ and $q^2 d$ are base-$10$ palindromes, where $d = 9018009$?

How many times in the future after the 1st of January of 2019 will a palindrome date happen?

When the product of a multi-digit integer and its mirror is a palindrome, can the original number have digits greater than $2$?

How is there fewer zeros in the left of 1 in this language?

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