id:A117690 - OEIS Search Results

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Cubes for which both the sum of the digits and the product of the digits are squares.

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0, 1, 1000, 27000, 216000, 970299, 1000000, 1860867, 2146689, 4019679, 5000211, 10077696, 14348907, 21717639, 27000000, 27818127, 29503629, 36926037, 37933056, 57960603, 62099136, 67917312, 80621568, 84027672 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`2146689 is in the sequence because it is a cube and (1)the sum of its digits 2+1+4+6+6+8+9=36 is a square and (2)the product of its digits 2146689=20736 is also a square.`
	CROSSREFS	`Cf. A000290, A000578.` `Sequence in context: A017643 A161770 A004632 this_sequence A029799 A029779 A029796` `Adjacent sequences: A117687 A117688 A117689 this_sequence A117691 A117692 A117693`
	KEYWORD	`nonn,base`
	AUTHOR	`Luc Stevens (lms022(AT)yahoo.com), Apr 12 2006`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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