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 A260046 Composites whose prime factorization in base 2 is an anagram of the number in base 2. 11
 25, 159, 175, 242, 245, 287, 303, 319, 459, 500, 575, 591, 623, 679, 687, 699, 735, 763, 1135, 1167, 1203, 1243, 1247, 1271, 1351, 1371, 1391, 1525, 1631, 1734, 1911, 2167, 2173, 2231, 2285, 2295, 2319, 2359, 2463, 2471, 2495, 2519, 2743, 2779, 2787, 2863, 2890 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Giovanni Resta, Table of n, a(n) for n = 1..10000 EXAMPLE 25 = 5^2. In base 2, 11001 = 101^10. MATHEMATICA Select[Range[10^6], !PrimeQ[#] && Sort@ IntegerDigits[#, 2] == Sort@ Flatten@ IntegerDigits[ Select[ Flatten@ FactorInteger@ #, #>1 &], 2] &] (* Giovanni Resta, Jul 14 2015 *) CROSSREFS Cf. A260047, A260048, A260049, A260050, A260051, A260052, A260053, A025283, A260054, A260055. Sequence in context: A084073 A049523 A232000 * A316948 A139729 A317728 Adjacent sequences: A260043 A260044 A260045 * A260047 A260048 A260049 KEYWORD base,easy,nonn AUTHOR Stephen Tucker, Jul 14 2015 STATUS approved

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Last modified December 8 14:30 EST 2023. Contains 367679 sequences. (Running on oeis4.)