id:A046760 - OEIS Search Results

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Wasteful numbers.

+0
3

4, 6, 8, 9, 12, 18, 20, 22, 24, 26, 28, 30, 33, 34, 36, 38, 39, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100, 102, 104, 108, 110, 114 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Write n as product of primes raised to powers, let D(n) = number of digits in product, l(n) = number of digits in n; sequence gives n such that D(n)>l(n).`
	LINKS	`J.-P. Delahaye, Les chasseurs de nombres premiers` `R. G. E. Pinch, Economical numbers.` `Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	EXAMPLE	`For n=125=5^3, l(n)=3 but D(n)=2.`
	CROSSREFS	`Cf. A046758, A046759.` `Sequence in context: A062002 A028958 A036310 this_sequence A115684 A020201 A161760` `Adjacent sequences: A046757 A046758 A046759 this_sequence A046761 A046762 A046763`
	KEYWORD	`nonn,nice,base,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`More terms from Eric Weisstein (eric(AT)weisstein.com).`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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