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A199999 Composite numbers whose multiplicative persistence is 9. 0
26888999, 26889899, 26889989, 26889998, 26898899, 26898989, 26898998, 26899898, 26899988, 26988899, 26988989, 26988998, 26989889, 26989898, 26989988, 26998889, 26998898, 26998988, 26999888, 28688999, 28689899, 28689989, 28689998, 28698989, 28698998, 28699898 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A046509 with respect to A046518.

LINKS

Table of n, a(n) for n=1..26.

Eric Weisstein's World of Mathematics, Multiplicative Persistence

EXAMPLE

26888999 -> [ 4478976 ][ 338688 ][ 27648 ][ 2688 ][ 768 ][ 336 ][ 54 ][ 20 ][ 0 ] -> one digit in nine steps.

CROSSREFS

Cf. A046509 (primes whose multiplicative persistence is 9).

Sequence in context: A086129 A121109 A046518 * A046509 A251806 A184670

Adjacent sequences:  A199996 A199997 A199998 * A200000 A200001 A200002

KEYWORD

nonn,base

AUTHOR

Jaroslav Krizek, Nov 13 2011

STATUS

approved

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Last modified October 20 12:34 EDT 2018. Contains 316379 sequences. (Running on oeis4.)