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A064155 Let p=x1x2x3...xk be a prime in base 10 with k digits. The sequence give the primes p such that x1*x2*x3*...xk=k*(x1+x2+x3..+xk). +0
1
2, 3, 5, 7, 167, 523, 617, 761, 1427, 2417, 2741, 4127, 4217, 4271, 4721, 126241, 126421, 146221, 212461, 216421, 221461, 224611, 226141, 241261, 242161, 246121, 261241, 262411, 264211, 421621, 426211, 621241, 642121, 642211, 1111457 (list; graph; listen)
OFFSET

1,1

EXAMPLE

167 belongs to the sequence because 1*6*7=42 and 3*(1+6+7)=42

CROSSREFS

Sequence in context: A054218 A075048 A098463 this_sequence A069803 A083184 A046478

Adjacent sequences: A064152 A064153 A064154 this_sequence A064156 A064157 A064158

KEYWORD

easy,nonn,base

AUTHOR

Felice Russo (felice.russo(AT)katamail.com), Sep 14 2001

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


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