56565

Appears in sequences

• Palindromes of the form 4n + 1 where n is also a palindrome. Palindromes arising in A083831.at n=14A083832
• Number of binary strings of length n with no substrings equal to 0010 0101 or 1011.at n=16A164495
• Palindromes with consecutive digits that differ exactly by 1.at n=43A207954
• Table of consecutive numbers with the same sum of divisors.at n=35A225757
• Numbers k that divide sigma(k) - sigma(k-1).at n=25A227307
• Numbers k such that sigma(k) = sigma(k-1).at n=17A231546
• Numbers n such that n * (x-1)/x produces a rotation of the digits in n for some value of x.at n=33A288626