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A180517
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Primes that become a different prime under the mapping 0 <=> 2.
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46
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23, 107, 127, 211, 223, 227, 241, 271, 283, 401, 421, 503, 523, 809, 829, 1009, 1013, 1021, 1031, 1049, 1091, 1097, 1103, 1109, 1123, 1129, 1201, 1213, 1229, 1231, 1249, 1291, 1297, 1301, 1307, 1321, 1327, 1409, 1429, 1601, 1607, 1621, 1627, 2003, 2011
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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fQ[n_] := Block[{id = IntegerDigits@n}, (MemberQ[id, 0] || MemberQ[id, 2]) && PrimeQ[ FromDigits[ id /. {0 -> 2, 2 -> 0}] ]]; Select[ Prime@ Range@ 350, fQ]
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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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