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Search: id:A056770
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| A056770 |
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Smallest number that is n times the product of its digits or 0 if impossible. |
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+0
1
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| 1, 36, 15, 384, 175, 12, 735, 128, 135, 0, 11, 1296, 624, 224
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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a(4)= 384 because the product of the digits of 384 *4 = 384 and is the least such number that exhibits this property.
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MATHEMATICA
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Do[k = n; If[Mod[n, 10] == 0, Print[0]; Continue[]]; While[Apply[Times, RealDigits[k][[1]]]*n != k, k += n]; Print[k], {n, 1, 50}]
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CROSSREFS
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Cf. A007602, A003634.
Sequence in context: A109256 A066583 A073405 this_sequence A061038 A058231 A008894
Adjacent sequences: A056767 A056768 A056769 this_sequence A056771 A056772 A056773
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 16 2000
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