id:A131930 - OEIS Search Results

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A131930

Numbers n such that the decimal representation of n contains at least one prime factor of n.

+0
4

2, 3, 5, 7, 11, 12, 13, 15, 17, 19, 20, 22, 23, 24, 25, 26, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 41, 42, 43, 45, 47, 50, 52, 53, 55, 59, 61, 62, 63, 65, 67, 70, 71, 72, 73, 75, 77, 79, 82, 83, 85, 89, 92, 93, 95, 97, 101, 102, 103, 105, 107, 109, 110, 112, 113, 115, 120 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Numbers n such that A131929(n) > 0; complement of A050695 including 1.`
	EXAMPLE	`55 is a term because 5 \| 55. All primes are terms.`
	CROSSREFS	`Sequence in context: A117288 A117283 A137923 this_sequence A001742 A073085 A119251` `Adjacent sequences: A131927 A131928 A131929 this_sequence A131931 A131932 A131933`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 30 2007`

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.

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