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A075238
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Primes whose base 8 reversal is also prime.
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7
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2, 3, 5, 7, 13, 29, 31, 41, 43, 47, 59, 61, 67, 71, 73, 79, 89, 97, 101, 107, 113, 193, 211, 227, 233, 239, 251, 349, 353, 373, 383, 449, 457, 463, 479, 487, 491, 503, 509, 521, 523, 541, 577, 587, 643, 677, 683, 719, 733, 751, 757, 773, 787, 811, 823, 827, 829
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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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Prime[ Select[ Range[150], PrimeQ[ FromDigits[ Reverse[ IntegerDigits[ Prime[ # ], 8]], 8]] &]]
Select[Prime[Range[200]], PrimeQ[IntegerReverse[#, 8]]&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jun 09 2017 *)
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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STATUS
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approved
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