login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A121110 Trajectory of 3778888999 under "x -> product of digits of x" map. 1
3778888999, 438939648, 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 10 (cf. A003001).

LINKS

Table of n, a(n) for n=1..11.

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 * A233599 A159463 A034615

Adjacent sequences:  A121107 A121108 A121109 * A121111 A121112 A121113

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 29 04:57 EST 2020. Contains 331335 sequences. (Running on oeis4.)