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A046509 Primes with multiplicative persistence value 9. 2
26899889, 28698899, 28699889, 28869989, 28889699, 28899869, 28989689, 29868989, 29888699, 29968889, 29988869, 38849989, 38894899, 38898949, 38899489, 38984989, 39849889, 43898989, 43988899, 43989889, 46668899 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..21.

Eric Weisstein's World of Mathematics, Multiplicative Persistence

EXAMPLE

26899889 -> [ 4478976 ][ 338688 ][ 27648 ][ 2688 ][ 768 ][ 336 ][ 54 ][ 20 ][ 0 ] -> one digit in nine steps.

CROSSREFS

Cf. A046500 A046518.

Sequence in context: A121109 A046518 A199999 * A184670 A069342 A151698

Adjacent sequences:  A046506 A046507 A046508 * A046510 A046511 A046512

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Sep 15 1998.

STATUS

approved

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Last modified October 31 03:51 EDT 2014. Contains 248845 sequences.