id:A036324 - OEIS Search Results

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Composite numbers n such that digits of prime factors of n are either 7 or 9.

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49, 343, 553, 679, 2401, 3871, 4753, 5579, 6241, 6839, 6979, 7663, 9409, 16807, 27097, 33271, 39053, 43687, 47873, 48853, 53641, 62963, 65863, 77183, 77309, 78763, 94769, 96709, 117649, 189679, 232897, 273371, 305809, 335111, 341971 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A036302-A036325.` `Sequence in context: A036318 A020323 A036322 this_sequence A036323 A066429 A017606` `Adjacent sequences: A036321 A036322 A036323 this_sequence A036325 A036326 A036327`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 1998.`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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