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A108631
Semiprimes with nonprime digits (no digits 2,3,5,7 in semiprimes).
2
4, 6, 9, 10, 14, 46, 49, 69, 86, 91, 94, 106, 111, 118, 119, 141, 146, 161, 166, 169, 194, 411, 446, 466, 469, 481, 489, 611, 614, 649, 669, 681, 689, 694, 698, 699, 818, 841, 849, 866, 869, 886, 889, 898, 899, 901, 914, 949, 961, 989, 998
OFFSET
1,1
COMMENTS
Complement of 108632 in the class of semiprimes.
MATHEMATICA
Select[Range[1000], PrimeOmega[#]==2&&ContainsOnly[IntegerDigits[#], {0, 1, 4, 6, 8, 9}]&] (* Harvey P. Dale, Aug 15 2017 *)
CROSSREFS
Cf. A108632.
Sequence in context: A318990 A375182 A132435 * A200677 A189553 A189482
KEYWORD
nonn,base
AUTHOR
Zak Seidov, Jun 13 2005
STATUS
approved