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A046507 Primes with multiplicative persistence value 7. +0
2
186889, 188869, 246889, 248869, 264889, 269779, 279679, 279967, 284689, 288389, 288649, 288839, 296797, 297967, 376679, 376769, 377779, 379667, 379777, 426889, 444869, 467879, 467897, 468289, 468683, 469787, 469877, 478679, 478697, 478769 (list; graph; listen)
OFFSET

0,1

LINKS

Eric Weisstein's World of Mathematics, Multiplicative Persistence

EXAMPLE

186889 -> [ 27648 ][ 2688 ][ 768 ][ 336 ][ 54 ][ 20 ][ 0 ] -> one digit in seven steps.

CROSSREFS

Cf. A046500, A046516.

Adjacent sequences: A046504 A046505 A046506 this_sequence A046508 A046509 A046510

Sequence in context: A117225 A032748 A092013 this_sequence A110069 A006028 A131907

KEYWORD

nonn

AUTHOR

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

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Last modified October 9 14:06 EDT 2008. Contains 144831 sequences.


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