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A121110
Trajectory of 3778888999 under "x -> product of digits of x" map.
1
3778888999, 438939648, 4478976, 338688, 27648, 2688, 768, 336, 54, 20, 0
OFFSET
1,1
COMMENTS
This is the smallest number of persistence 10 (cf. A003001).
LINKS
N. J. A. Sloane, The persistence of a number, J. Recreational Math., 6 (1973), 97-98.
MATHEMATICA
Most[FixedPointList[Times@@IntegerDigits[#]&, 3778888999]] (* Harvey P. Dale, Jun 08 2017 *)
CROSSREFS
Cf. A003001.
Sequence in context: A104330 A233607 A172713 * A352531 A233599 A159463
KEYWORD
nonn,fini,full,base
AUTHOR
N. J. A. Sloane, Aug 12 2006
EXTENSIONS
Edited by Charles R Greathouse IV, Aug 05 2010
STATUS
approved