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A046512 Numbers with multiplicative persistence value 3. 2
39, 47, 49, 55, 57, 59, 66, 68, 69, 74, 75, 78, 79, 86, 87, 88, 89, 93, 94, 95, 96, 97, 98, 139, 147, 149, 155, 157, 159, 166, 168, 169, 174, 175, 178, 179, 186, 187, 188, 189, 193, 194, 195, 196, 197, 198, 227, 229, 236, 238, 239, 246, 247, 248, 249, 263, 264 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

Eric Weisstein's World of Mathematics, Multiplicative Persistence

EXAMPLE

239 -> [ 54 ][ 20 ][ 0 ] -> one digit in three steps.

CROSSREFS

Cf. A003001, A014120, A046503.

Sequence in context: A041759 A061756 A119028 * A143746 A064399 A050439

Adjacent sequences:  A046509 A046510 A046511 * A046513 A046514 A046515

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1998.

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Last modified February 13 18:33 EST 2012. Contains 205535 sequences.