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Search: id:A100973
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| A100973 |
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Integers that are Rhonda numbers to base 9. |
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+0
3
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| 15540, 21054, 25331, 44360, 44660, 44733, 47652, 50560, 54944, 76857, 77142, 83334, 83694, 96448, 97944, 106575, 108273, 117624, 125952, 138966, 141204, 144236, 153318, 158417, 159424, 188529, 188598, 189350, 192000, 192126, 196652
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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See sequence A099542 for definition of Rhonda numbers and for some links.
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LINKS
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Eric Weisstein's World of Mathematics, Rhonda Number
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EXAMPLE
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The product of the base 9 digits of 15540 is 2*3*2*7*6=504, the sum of the prime factors of 15540 is 2*2+3+5+7+37=56 and 504=9*56. So 15540 is a Rhonda number to base 9.
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CROSSREFS
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Cf. A099542 for base 10 Rhonda numbers and definition. Sequences of Rhonda numbers to other bases: A100968 (base 4), A100969 (base 6), A100970 (base 8), A100971 (base 12), A100972 (base 14).
Sequence in context: A054840 A154091 A035920 this_sequence A129152 A097219 A016818
Adjacent sequences: A100970 A100971 A100972 this_sequence A100974 A100975 A100976
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KEYWORD
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easy,nonn
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AUTHOR
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Mark Hudson (mrmarkhudson(AT)hotmail.com), Nov 25 2004
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