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A180536
Primes that become a different prime under the mapping 2 <=> 6.
1
127, 167, 241, 277, 283, 421, 461, 523, 563, 641, 677, 683, 823, 863, 1021, 1061, 1123, 1163, 1201, 1213, 1223, 1229, 1237, 1297, 1321, 1327, 1361, 1367, 1601, 1613, 1637, 1663, 1669, 1697, 2011, 2027, 2053, 2069, 2089, 2113, 2131, 2143, 2161, 2207, 2221
OFFSET
1,1
LINKS
Index to Primes, Primes that become a different prime under some mapping.
MATHEMATICA
fQ[n_] := Block[{id = IntegerDigits@n}, (MemberQ[id, 2] || MemberQ[id, 6]) && PrimeQ[ FromDigits[ id /. {2 -> 6, 6 -> 2}] ]]; Select[ Prime@ Range@ 350, fQ]
CROSSREFS
KEYWORD
base,nonn
AUTHOR
STATUS
approved