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A101991 Largest prime which can be formed from digits of n, or 0 if no prime exists. +0
1
0, 2, 3, 0, 5, 0, 7, 0, 0, 0, 11, 2, 31, 41, 5, 61, 71, 0, 19, 2, 2, 2, 23, 2, 5, 2, 7, 2, 29, 3, 31, 23, 3, 43, 53, 3, 73, 83, 3, 0, 41, 2, 43, 0, 5, 0, 47, 0, 0, 5, 5, 5, 53, 5, 5, 5, 7, 5, 59, 0, 61, 2, 3, 0, 5, 0, 67, 0, 0, 7, 71, 7, 73, 47, 7, 67, 7, 7, 97, 0, 0, 2, 83, 0, 5, 0, 7, 0, 89, 0, 19 (list; graph; listen)
OFFSET

1,2

EXAMPLE

a(115)=151 because 151 is the largest prime which can be made from digits {1,1,5}.

CROSSREFS

Sequence in context: A061397 A093438 A047814 this_sequence A071376 A064502 A082809

Adjacent sequences: A101988 A101989 A101990 this_sequence A101992 A101993 A101994

KEYWORD

base,easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Jan 29 2005

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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