A046481 Primes that are palindromic in bases 10 and 13.

2, 3, 5, 7, 11, 313, 353, 797, 7520859392939580257, 970015486464684510079

Offset

1,1

Links

Table of n, a(n) for n=1..10.

Patrick De Geest, World!Of Palindromic Primes

Example

313_10 = 1b1_13, where b represents eleven as a single digit.

Mathematica

Select[Prime[Range[150]], PalindromeQ[#]&&IntegerDigits[#, 13]==Reverse[IntegerDigits[#, 13]]&] (* Harvey P. Dale, Apr 15 2025 *)

Crossrefs

Intersection of A029980 and A002385.

Subsequence of primes of A029968.

Primes that are palindromic in bases 10 and b: A046472 (b=2), A046473 (b=3), A046474 (b=4), A046475 (b=6), A046476 (b=7), A046477 (b=8), A046478 (b=9), A046479 (b=11), A046480 (b=12), A046482 (b=14), A046483 (b=15), A046484 (b=16).

Sequence in context: A235000 A067906 A029980 * A082625 A030286 A046484

Adjacent sequences: A046478 A046479 A046480 * A046482 A046483 A046484

Keyword

nonn,hard,base,more

Author

Patrick De Geest, Aug 15 1998

Extensions

a(9)-a(10) from Max Alekseyev, Sep 14 2025

Status

approved