A046479 Primes that are palindromic in bases 10 and 11.

2, 3, 5, 7, 787, 38183, 3286823, 998111899, 999454999

Offset

1,1

Comments

a(10) > 7.86174 * 10^18 using b-file at A029966. - Michael S. Branicky, Jan 06 2026

a(10) > 10^36 if it exists. - Max Alekseyev, Jun 03 2026

Links

Table of n, a(n) for n=1..9.

P. De Geest, World!Of Palindromic Primes

Example

787_10 = 656_11. - Jon E. Schoenfield, Apr 10 2021

Crossrefs

Primes in A029966.

Cf. A002385.

Sequence in context: A114780 A241681 A134811 * A109208 A050665 A090721

Adjacent sequences: A046476 A046477 A046478 * A046480 A046481 A046482

Keyword

nonn,base,hard,more,changed

Author

Patrick De Geest, Aug 15 1998

Status

approved