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A064157 Primes p such that (x1*x2*..xk)^(x1+x2+..xk)=(x1+x2+..xk)^(x1*x2*...xk) where x1x2..xk are the digits of p in base 10. 0
2, 3, 5, 7, 211, 2141, 2411, 4211, 11251, 12511, 15121, 21221, 25111, 1112171, 1127111, 1172111, 1271111 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

211 belongs to the sequence because (2*1*1)^(2+1+1)=(2+1+1)^(2*1*1)

CROSSREFS

Sequence in context: A029978 A122764 A195302 * A178371 A067184 A067170

Adjacent sequences:  A064154 A064155 A064156 * A064158 A064159 A064160

KEYWORD

easy,nonn,base

AUTHOR

Felice Russo (frusso(AT)micron.com), Sep 14 2001

EXTENSIONS

More terms from Jason Earls (zevi_35711(AT)yahoo.com), Dec 05 2001

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Last modified February 15 11:17 EST 2012. Contains 205765 sequences.