A161379 Prime numbers whose Spanish names have a prime number of letters.
2, 5, 7, 13, 29, 31, 37, 43, 61, 67, 71, 79, 89, 97, 107, 109, 113, 127, 131, 137, 139, 151, 167, 179, 181, 191, 197, 199, 239, 251, 269, 277, 373, 383, 419, 521, 569, 577, 587, 599, 641, 673, 683, 733, 773, 863, 883, 941, 983
Offset: 1
Examples
e.g 137 -> CIENTOTREINTAYSIETE -> 19 letters and 19 is prime.
Crossrefs
Cf. A072686.
Comments