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A155056
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Primes p such that number of prime digits of prime(p) > number of nonprime digits of prime(p).
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0
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2, 3, 31, 37, 59, 61, 67, 71, 73, 101, 103, 107, 131, 137, 139, 151, 241, 269, 307, 331, 349, 367, 457, 461, 491, 499, 503, 509, 521, 587, 727, 733, 739, 823, 827, 907, 929, 937, 953, 983, 1033, 1049, 1063
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OFFSET
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1,1
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COMMENTS
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Prime digits are 2, 3, 5, 7, nonprime digits are 0, 1, 4, 6, 8, 9.
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LINKS
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MATHEMATICA
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pgnQ[p_]:=Count[IntegerDigits[Prime[p]], _?(MemberQ[{2, 3, 5, 7}, #]&)]>IntegerLength[ Prime[p]]/2; Select[Prime[Range[200]], pgnQ] (* Harvey P. Dale, Apr 11 2023 *)
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CROSSREFS
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KEYWORD
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nonn,base,less
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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