A199998 Composite numbers whose multiplicative persistence is 8.

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

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