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A100971 Integers n that are Rhonda numbers to base 12. 4
560, 800, 3993, 4425, 4602, 4888, 7315, 8296, 9315, 11849, 12028, 13034, 14828, 15052, 16264, 18511, 18906, 25619, 25875, 27176, 32742, 37264, 37523, 46035, 50765, 52338, 58261, 58504, 59166, 62002, 66176, 66752, 66928, 67195, 68502 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

See sequence A099542 for the definition of Rhonda numbers and some links. 560 is the smallest integer that is a Rhonda number to some base.

LINKS

Eric Weisstein's World of Mathematics, Rhonda Number

EXAMPLE

The product of the base 12 digits of 560 is 3*10*8=240; the sum of the prime factors of 560 is 4*2+5+7=20; and 240=12*20 so 560 is a Rhonda number to base 12.

CROSSREFS

Cf. A099542 for definition and base 10 Rhonda numbers. Rhonda numbers to other bases: base 4: A100968; base 6: A100969; base 8: A100970.

Sequence in context: A139197 A136346 A100987 * A069243 A169719 A104591

Adjacent sequences:  A100968 A100969 A100970 * A100972 A100973 A100974

KEYWORD

easy,nonn,base

AUTHOR

Mark Hudson (mrmarkhudson(AT)hotmail.com), Nov 25 2004

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Last modified February 15 03:59 EST 2012. Contains 205694 sequences.