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Search: id:A101251
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| A101251 |
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Primes that are a concatenation of 2, 3, 5 and a prime. |
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+0
6
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| 2357, 23531, 23537, 23561, 23567, 235181, 235199, 235211, 235241, 235307, 235337, 235349, 235397, 235439, 235523, 235541, 235577, 235601, 235607, 235661, 235673, 235751, 235787, 235811, 235877, 235919, 235967, 235997, 2351033, 2351171
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Peter Alfeld The 10,000 smallest prime numbers.
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EXAMPLE
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2357 is a prime of order four since it is concatenated from the primes 2,3,5,and 7.
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MATHEMATICA
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Select[ Table[ FromDigits[ Flatten[ IntegerDigits /@ {2, 3, 5, Prime[n]}]], {n, 200}], PrimeQ[ # ] &] (from Robert G. Wilson v Dec 20 2004)
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CROSSREFS
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Cf. A101218, A101219, A101249, A101250, A101252.
Adjacent sequences: A101248 A101249 A101250 this_sequence A101252 A101253 A101254
Sequence in context: A134966 A108419 A073037 this_sequence A132904 A030473 A134649
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KEYWORD
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nonn,easy,base
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Dec 16 2004
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EXTENSIONS
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Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net) and Robert G. Wilson v, Dec 22, 2004
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