%I #9 Nov 05 2013 06:28:45
%S 2,3,7,23,37,79,83,97,101,131,149,181,191,269,281,307,337,379,383,397,
%T 419,461,541,577,601,617,631,659,691,727,733,787,797,823,827,883,887,
%U 911,919,941,977,1013,1019,1051,1061,1129,1151,1153,1163,1171
%N Primes with a prime number of letters (A005589) in their (American) English name.
%C Spaces and hyphens don't count, as in A005589. See A163648 and A231073 for the analogs counting syllables resp. words.
%C Sequence A072686 is the British English analog, which in particular uses the additional "and": It features "one hundred and nine", but not "one hundred and one". In the present sequence, we do have "one hundred one" but not "one hundred nine".
%H <a href="/index/Lc#letters">Index entries for sequences related to number of letters in n</a>
%o (PARI) is(p)=isprime(A005589(p))&&isprime(p)
%o (PARI) forprime(p=1,1200,isprime(A005589(p))&&print1(p","))
%K nonn,word
%O 1,1
%A _M. F. Hasler_, Nov 03 2013