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A046505 Primes with multiplicative persistence value 5. +0
2
769, 967, 1697, 2777, 3637, 3673, 4483, 6197, 6337, 6373, 6719, 6733, 6779, 6791, 6917, 6971, 6977, 7559, 7691, 7727, 8443, 8681, 8861, 9677, 9767, 12379, 12739, 12973, 13297, 13367, 13729, 13763, 14779, 14797, 14843, 17239, 17293, 17497 (list; graph; listen)
OFFSET

0,1

LINKS

Eric Weisstein's World of Mathematics, Multiplicative Persistence

EXAMPLE

769 -> [ 378 ][ 168 ][ 48 ][ 32 ][ 6 ] -> one digit in five steps.

CROSSREFS

Cf. A046500, A046514.

Sequence in context: A115934 A116301 A045082 this_sequence A013542 A045078 A114543

Adjacent sequences: A046502 A046503 A046504 this_sequence A046506 A046507 A046508

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 13:47 EST 2009. Contains 167481 sequences.


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