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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
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
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Nov 13 2011
STATUS
approved

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Last modified May 28 18:10 EDT 2024. Contains 372916 sequences. (Running on oeis4.)