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Search: id:A064157
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| A064157 |
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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. |
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+0
1
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| 2, 3, 5, 7, 211, 2141, 2411, 4211, 11251, 12511, 15121, 21221, 25111, 1112171, 1127111, 1172111, 1271111
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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211 belongs to the sequence because (2*1*1)^(2+1+1)=(2+1+1)^(2*1*1)
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CROSSREFS
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Sequence in context: A046475 A029978 A122764 this_sequence A067184 A067170 A090719
Adjacent sequences: A064154 A064155 A064156 this_sequence A064158 A064159 A064160
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KEYWORD
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easy,nonn,base
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AUTHOR
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Felice Russo (felice.russo(AT)katamail.com), Sep 14 2001
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EXTENSIONS
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More terms from Jason Earls (zevi_35711(AT)yahoo.com), Dec 05 2001
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