A121108 Trajectory of 2677889 under "x -> product of digits of x" map.

2677889, 338688, 27648, 2688, 768, 336, 54, 20, 0

Offset

1,1

Comments

This is the smallest number of persistence 8 (cf. A003001).

Links

Table of n, a(n) for n=1..9.

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

Crossrefs

Cf. A003001.

Sequence in context: A151513 A147712 A250840 * A046517 A199998 A046508

Adjacent sequences: A121105 A121106 A121107 * A121109 A121110 A121111

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