id:A050694 - OEIS Search Results

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Composite numbers n such that all prime factors of n are a substring of n.

+0
5

25, 32, 125, 128, 135, 175, 243, 250, 256, 324, 375, 432, 512, 625, 735, 875, 1024, 1250, 1352, 1372, 1593, 1675, 1715, 1792, 2048, 2176, 2304, 2500, 2510, 2560, 2570, 2744, 3072, 3087, 3125, 3375, 3645, 3675, 3792, 4232, 4375, 5120, 5210, 5230, 5832 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Gil Broussard, Integers containing prime factors as substrings..`
	EXAMPLE	`E.g. 1675 = 5.5.67 -> 167{5} and 1{67}5.`
	CROSSREFS	`Cf. A050695, A050696, A035140, A050697.` `Sequence in context: A092100 A107258 A035140 this_sequence A107608 A131610 A134099` `Adjacent sequences: A050691 A050692 A050693 this_sequence A050695 A050696 A050697`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Aug 15 1999.`

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

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