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 A085564 Primes whose sum of nonprime digits is also prime. 2
 11, 41, 61, 89, 101, 113, 131, 151, 163, 167, 191, 199, 211, 241, 311, 349, 389, 401, 409, 421, 431, 439, 449, 461, 479, 541, 601, 613, 617, 631, 641, 661, 761, 809, 829, 839, 859, 881, 911, 919, 947, 983, 991, 1013, 1019, 1021, 1031, 1051, 1063, 1091 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Harvey P. Dale, Table of n, a(n) for n = 1..1000 EXAMPLE a(100)=1993 because it is prime and 1+9+9=19, a prime. MATHEMATICA snpdQ[n_]:=PrimeQ[Total[Select[IntegerDigits[n], !PrimeQ[#]&]]]; Select[ Prime[Range[200]], snpdQ] (* Harvey P. Dale, Mar 21 2020 *) CROSSREFS Sequence in context: A040167 A040170 A333085 * A158205 A179446 A260269 Adjacent sequences: A085561 A085562 A085563 * A085565 A085566 A085567 KEYWORD base,easy,nonn AUTHOR Jason Earls, Jul 05 2003 STATUS approved

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Last modified December 1 03:32 EST 2023. Contains 367468 sequences. (Running on oeis4.)