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Search: id:A084034
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| A084034 |
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Numbers which can be expressed as the product of numbers made of only one digit. |
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+0
9
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| 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 16, 22, 25, 27, 32, 33, 36, 44, 49, 55, 64, 66, 77, 81, 88, 99, 111, 121, 125, 128, 176, 216, 222, 243, 256, 275, 297, 333, 343, 352, 396, 444, 484, 512, 539, 555, 625, 666, 704, 729, 777, 888, 891, 968, 999, 1024, 1089, 1111, 1221
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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At least one Smarandache factor partition elements of the number contain only one digit. Question: Are there members which can so expressed in more than one way?
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REFERENCES
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Amarnath Murthy, Generalization of partition function, Introducing Smarandache Factor partitions, Smarandache Notions Journal, Vol. 11, 2000.
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EXAMPLE
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99 is a member as 3*33.
9768 is a member 9768= 2*22*222
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CROSSREFS
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Cf. A002473.
Sequence in context: A030721 A143288 A001103 this_sequence A147591 A033074 A067451
Adjacent sequences: A084031 A084032 A084033 this_sequence A084035 A084036 A084037
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 26 2003
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EXTENSIONS
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Corrected and extended by David Wasserman (wasserma(AT)spawar.navy.mil), Dec 09 2004
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