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A260053
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Composites whose prime factorization in base 9 is an anagram of the number in base 9.
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11
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72646, 74176, 75295, 78475, 134832, 189771, 255619, 422233, 440561, 586022, 638582, 644799, 655312, 659712, 701078, 855296, 882278, 919488, 1197500, 1213750, 1328102, 1329280, 1428352, 1451968, 1581088, 1585184, 1718857
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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Giovanni Resta, Table of n, a(n) for n = 1..10000
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EXAMPLE
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72646 = 2 * 7 * 5189. In base 9, 120577 = 2 * 7 * 7105.
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MATHEMATICA
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Select[Range[10^6], !PrimeQ[#] && Sort@ IntegerDigits[#, 9] == Sort@ Flatten@ IntegerDigits[ Select[ Flatten@ FactorInteger@ #, #>1 &], 9] &] (* Giovanni Resta, Jul 14 2015 *)
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CROSSREFS
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Cf. A260046, A260047, A260048, A260049, A260050, A260051, A260052, A025283, A260054, A260055.
Sequence in context: A114258 A238151 A234243 * A237555 A186047 A252333
Adjacent sequences: A260050 A260051 A260052 * A260054 A260055 A260056
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KEYWORD
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base,easy,nonn
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AUTHOR
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Stephen Tucker, Jul 14 2015
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STATUS
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approved
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