Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A046504
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A046504 Primes with multiplicative persistence value 4. +0
2
277, 379, 397, 467, 557, 647, 677, 727, 739, 773, 787, 877, 887, 937, 1277, 1483, 1489, 1553, 1699, 1747, 1777, 1783, 1787, 1867, 1873, 1877, 1973, 1999, 2267, 2347, 2377, 2399, 2437, 2467, 2473, 2477, 2647, 2683, 2687, 2689, 2699, 2797, 2837, 2861 (list; graph; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Multiplicative Persistence

EXAMPLE

277 -> [ 98 ][ 72 ][ 14 ][ 4 ] -> one digit in four steps.

CROSSREFS

Cf. A046500, A046513.

Sequence in context: A108255 A152715 A139654 this_sequence A142542 A142127 A142831

Adjacent sequences: A046501 A046502 A046503 this_sequence A046505 A046506 A046507

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1998.

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 November 23 17:09 EST 2009. Contains 167438 sequences.


AT&T Labs Research