Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A067183
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A067183 Product of the prime factors of n equals the product of the digits of n. +0
1
2, 3, 5, 6, 7, 135, 175, 735, 1176, 1715, 131712 (list; graph; listen)
OFFSET

1,1

EXAMPLE

The prime factors of 1176 are 2,3,7 which have product = 42, the product of the digits of 1176, so 1176 is a term of the sequence.

MATHEMATICA

Do[ If[ Apply[ Times, Transpose[ FactorInteger[n]] [[1]] ] == Apply[ Times, IntegerDigits[n]], Print[n]], {n, 2, 2*10^7} ]

CROSSREFS

Cf. A006753.

Sequence in context: A002229 A077674 A067077 this_sequence A036587 A075145 A086142

Adjacent sequences: A067180 A067181 A067182 this_sequence A067184 A067185 A067186

KEYWORD

base,nonn

AUTHOR

Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Feb 18 2002

EXTENSIONS

Edited and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 19 2002

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


AT&T Labs Research