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A121107 Trajectory of 68889 under "x -> product of digits of x" map. 0
68889, 27648, 2688, 768, 336, 54, 20, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
This is the smallest number of persistence 7 (cf. A003001).
LINKS
N. J. A. Sloane, The persistence of a number, J. Recreational Math., 6 (1973), 97-98.
CROSSREFS
Cf. A003001.
Sequence in context: A031863 A213702 A233721 * A046516 A199997 A250500
KEYWORD
nonn,fini,full,base
AUTHOR
N. J. A. Sloane, Aug 12 2006
EXTENSIONS
Edited by Charles R Greathouse IV, Aug 06 2010
STATUS
approved

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Last modified February 24 14:26 EST 2024. Contains 370305 sequences. (Running on oeis4.)