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Composite numbers whose product of digits is 8.
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%I #7 Mar 30 2012 19:00:28

%S 8,18,24,42,81,118,124,142,214,222,412,1118,1124,1142,1214,1222,1241,

%T 1412,1421,2114,2122,2212,4112,4121,11118,11124,11142,11181,11214,

%U 11222,11241,11412,11421,11811,12114,12122,12141,12212,12221,12411,14112,14121,14211

%N Composite numbers whose product of digits is 8.

%C Complement of A107694 with respect to A199989. Subsequence of A201023 (composite numbers whose multiplicative digital root is 8).

%e Number 124 is in sequence because 1*2*4=8.

%Y Cf. A107694 (primes whose product of digits is 8), A199989 (numbers whose product of digits is 8).

%K nonn,base

%O 1,1

%A _Jaroslav Krizek_, Nov 26 2011