A155071 Primes with two odd digits.

11, 13, 17, 19, 31, 37, 53, 59, 71, 73, 79, 97, 101, 103, 107, 109, 127, 149, 163, 167, 181, 211, 233, 239, 251, 257, 271, 277, 293, 307, 347, 349, 367, 383, 389, 419, 431, 433, 439, 457, 479, 491, 499, 503, 509, 521, 523, 541, 547, 563, 569, 587, 613, 617

Offset

1,1

Comments

Subsequence of A119449 (which also contains primes like 1117, 1151, 1153,... with 4, 6, 8 ,.. odd digits). - R. J. Mathar, Dec 03 2025

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Select[Prime[Range[200]], Count[IntegerDigits[#], _?OddQ]==2&] (* Harvey P. Dale, Jul 22 2025 *)

Crossrefs

Cf. A104638.

Sequence in context: A376303 A045798 A267277 * A003626 A154981 A092912

Adjacent sequences: A155068 A155069 A155070 * A155072 A155073 A155074

Keyword

nonn,base

Author

Juri-Stepan Gerasimov, Jan 19 2009

Extensions

Definition clarified, keyword:fini removed, 413 replaced by 419 - R. J. Mathar, May 05 2010

Erroneous comment deleted by Harvey P. Dale, Jul 22 2025

Status

approved