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Search: id:A057883
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| A057883 |
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Smallest possible prime with at least n (from 2 to 10) distinct digits that remains prime (leading zeros not allowed) when all occurrences of its digits d are deleted. |
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+0
8
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| 23, 137, 6173, 37019, 5600239, 476710937, 8192454631, 1645957688093, 78456580281239
(list; graph; listen)
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OFFSET
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2,1
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LINKS
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C. Rivera, PrimePuzzle 110
C. K. Caldwell, Prime Curios! 5600239
C. K. Caldwell, Prime Curios! 476710937.
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EXAMPLE
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E.g. 5600239 is solution for at least 6 digits because 56239, 560039, 560029, 600239, 500239 and 560023 are all primes.
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CROSSREFS
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Cf. A057876-A057882, A051362, A034302-A034305.
Sequence in context: A009482 A093806 A142679 this_sequence A160221 A042024 A141999
Adjacent sequences: A057880 A057881 A057882 this_sequence A057884 A057885 A057886
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KEYWORD
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nonn,base,fini,full
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AUTHOR
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Patrick De Geest (pdg(AT)worldofnumbers.com), Oct 15 2000.
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EXTENSIONS
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More terms from Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 15 2006
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