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%I #17 Jul 24 2015 03:50:07
%S 25,159,175,242,245,287,303,319,459,500,575,591,623,679,687,699,735,
%T 763,1135,1167,1203,1243,1247,1271,1351,1371,1391,1525,1631,1734,1911,
%U 2167,2173,2231,2285,2295,2319,2359,2463,2471,2495,2519,2743,2779,2787,2863,2890
%N Composites whose prime factorization in base 2 is an anagram of the number in base 2.
%H Giovanni Resta, <a href="/A260046/b260046.txt">Table of n, a(n) for n = 1..10000</a>
%e 25 = 5^2. In base 2, 11001 = 101^10.
%t Select[Range[10^6], !PrimeQ[#] && Sort@ IntegerDigits[#, 2] == Sort@ Flatten@ IntegerDigits[ Select[ Flatten@ FactorInteger@ #, #>1 &], 2] &] (* _Giovanni Resta_, Jul 14 2015 *)
%Y Cf. A260047, A260048, A260049, A260050, A260051, A260052, A260053, A025283, A260054, A260055.
%K base,easy,nonn
%O 1,1
%A _Stephen Tucker_, Jul 14 2015
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