id:A036305 - OEIS Search Results

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Composite numbers n such that digits of prime factors of n are either 1 or 5.

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25, 55, 121, 125, 275, 605, 625, 755, 1331, 1375, 1661, 3025, 3125, 3775, 5755, 6655, 6875, 7555, 8305, 12661, 14641, 15125, 15625, 16621, 18271, 18875, 22801, 28775, 33275, 34375, 37775, 41525, 57755, 63305, 73205, 75625, 77555, 77755, 78125 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A003598, A036302-A036325.` `Sequence in context: A108166 A080863 A091214 this_sequence A125827 A163654 A063317` `Adjacent sequences: A036302 A036303 A036304 this_sequence A036306 A036307 A036308`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 1998.`

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.

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