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Composite numbers whose Spanish names have a prime number of letters
0

%I #5 Jun 20 2013 03:56:08

%S 9,14,25,27,30,32,35,39,46,48,51,52,60,62,65,69,70,72,75,77,80,81,82,

%T 85,87,90,91,92,95,99,105,114,125,129,130,132,135,143,146,148,152,160,

%U 161,162,165,169,170,171,172,175,177,180,182,185,187,189,190,192,195

%N Composite numbers whose Spanish names have a prime number of letters

%C 9 = "nueve" (Five letters and five is prime), 14 ="catorce" (Seven letters and seven is prime), etc.

%K nonn,word

%O 1,1

%A _Claudio Meller_, Jun 13 2009