Prime numbers p such that the sum of the nonprime digits of p + the sum of even digits of p is prime.
2, 11, 23, 29, 61, 101, 113, 127, 131, 151, 163, 167, 191, 199, 229, 233, 239, 241
2 seqfan posts
Wed Aug 18 04:58:00 CEST 2010 [seqfan] Re: not all prime