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A199998 Composite numbers whose multiplicative persistence is 8. 0
2677889, 2677898, 2677988, 2678798, 2678879, 2678897, 2678978, 2678987, 2679788, 2679878, 2679887, 2687789, 2687798, 2687978, 2687987, 2688779, 2689778, 2689787, 2697788, 2697878, 2698778, 2698787, 2698877, 2767889, 2767898, 2767988, 2768798, 2768879, 2768978 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A046508 with respect to A046517.

LINKS

Table of n, a(n) for n=1..29.

Eric Weisstein's World of Mathematics, Multiplicative Persistence

EXAMPLE

2677889 -> [ 338688 ][ 27648 ][ 2688 ][ 768 ][ 336 ][ 54 ][ 20 ][ 0 ] -> one digit in eight steps.

CROSSREFS

Cf. A046508 (primes whose multiplicative persistence is 8).

Sequence in context: A250840 A121108 A046517 * A046508 A251457 A178291

Adjacent sequences:  A199995 A199996 A199997 * A199999 A200000 A200001

KEYWORD

nonn,base

AUTHOR

Jaroslav Krizek, Nov 13 2011

STATUS

approved

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Last modified October 16 14:35 EDT 2018. Contains 316263 sequences. (Running on oeis4.)