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%I #7 Jul 19 2017 21:33:17
%S 3,7,9,13,27,31,37,39,49,51,57,63,67,73,79,81,91,93,97,99,103,109,117,
%T 123,129,151,153,163,171,181,187,193,201,213,217,223,229,231,237,249,
%U 259,277,279,283,289,291,297,301,303,307,319,321,327,361,367,373,381
%N Numbers n with the property that the concatenation of the trivial divisors of n (i.e., 1 and n) is a prime.
%C Essentially the same as A032664. - _R. J. Mathar_, Oct 23 2009
%e 3 -> 13; 7 -> 17; 9 -> 19; 13 -> 113.
%Y Cf. A120712.
%K nonn,base
%O 1,1
%A _Juri-Stepan Gerasimov_, Oct 20 2009
%E Edited by _Charles R Greathouse IV_, Apr 24 2010
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