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A121109 Trajectory of 26888999 under "x -> product of digits of x" map. 0
26888999, 4478976, 338688, 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 9 (cf. A003001).

LINKS

Table of n, a(n) for n=1..10.

N. J. A. Sloane, The persistence of a number, J. Recreational Math., 6 (1973), 97-98.

MATHEMATICA

NestList[Times@@IntegerDigits[#]&, 26888999, 9] (* Harvey P. Dale, Aug 16 2015 *)

CROSSREFS

Cf. A003001.

Sequence in context: A151622 A205767 A086129 * A046518 A199999 A046509

Adjacent sequences:  A121106 A121107 A121108 * A121110 A121111 A121112

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 January 24 10:42 EST 2020. Contains 331193 sequences. (Running on oeis4.)