A062350 Primes having only {1, 2, 3} as digits.

2, 3, 11, 13, 23, 31, 113, 131, 211, 223, 233, 311, 313, 331, 1123, 1213, 1223, 1231, 1321, 2111, 2113, 2131, 2213, 2221, 2311, 2333, 3121, 3221, 3313, 3323, 3331, 11113, 11131, 11213, 11311, 11321, 12113, 12211, 12323, 13121, 13313, 13331

Offset: 1

Author

Amarnath Murthy, Jun 23 2001

Keywords

• nonn
• base
• easy

Links

• Jason Bard, Table of n, a(n) for n = 1..10000 (first 2610 terms from Marius A. Burtea)
• Index to entries for primes with digits in a given set

Programs

Magma

[p: p in PrimesUpTo(25000) | Intseq(p) subset {1,2,3}]; // Vincenzo Librandi, Jan 16 2020

Mathematica

Select[Prime[Range[2 10^4]], Complement[IntegerDigits[#], {1, 2, 3}]=={}&] (* Vincenzo Librandi, Jan 16 2020 *)
Select[Flatten[Table[FromDigits/@Tuples[{1,2,3},n],{n,5}]],PrimeQ] (* Harvey P. Dale, Aug 04 2024 *)

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Jul 06 2001

Offset 1 from Michel Marcus, Jan 16 2020