A199999 Composite numbers whose multiplicative persistence is 9.

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

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 A327281 A251806

Adjacent sequences: A199996 A199997 A199998 * A200000 A200001 A200002

Keyword

nonn,base

Author

Jaroslav Krizek, Nov 13 2011

Status

approved