A113017 Primes that become composites when their decimal representation is interpreted duodecimally.

13, 19, 23, 29, 41, 43, 47, 53, 59, 71, 73, 79, 83, 89, 97, 101, 103, 109, 113, 127, 137, 139, 149, 151, 163, 173, 179, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 257, 263, 269, 281, 283, 293, 311, 313, 317, 331, 337, 349, 353, 359, 367, 373, 379, 383

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..26358

Eric Weisstein's World of Mathematics, Duodecimal

Example

A000040(25)=97 -> 9*12^1+7*12^0=108+7=115=5*23.

Crossrefs

Cf. A000040, A002808, A113016, A102487.

Sequence in context: A038888 A191020 A180545 * A007627 A180525 A257590

Adjacent sequences: A113014 A113015 A113016 * A113018 A113019 A113020

Keyword

nonn,base

Author

Reinhard Zumkeller, Oct 11 2005

Status

approved