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A167726
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Cubes that become a prime number when prefixed with a 2.
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1
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27, 729, 12167, 19683, 68921, 148877, 185193, 328509, 658503, 704969, 970299, 1030301, 1367631, 2248091, 3581577, 5000211, 9663597, 15813251, 17779581, 19034163
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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Select[Range[1, 500000, 2]^3, PrimeQ[FromDigits[Join[{2}, IntegerDigits[#]]]] &] (* G. C. Greubel, Jun 21 2016 *)
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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