A386149 Primes having only {2, 3, 6, 9} as digits.

2, 3, 23, 29, 223, 229, 233, 239, 263, 269, 293, 929, 2239, 2269, 2293, 2333, 2339, 2393, 2399, 2633, 2663, 2693, 2699, 2939, 2963, 2969, 2999, 3229, 3299, 3323, 3329, 3623, 3923, 3929, 6229, 6263, 6269, 6299, 6323, 6329, 9239, 9293, 9323, 9623, 9629, 9923, 9929

Offset: 1

Author

Jason Bard, Jul 18 2025

Keywords

• nonn
• base
• easy

Links

• Jason Bard, Table of n, a(n) for n = 1..10000
• Index to entries for primes with digits in a given set

Crossrefs

Supersequence of A260126, A260128, A385788.

Cf. A000040, A385776.

Programs

Magma

[p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 3, 6, 9]];

Mathematica

Flatten[Table[Select[FromDigits /@ Tuples[{2, 3, 6, 9}, n], PrimeQ], {n, 7}]]

PARI

primes_with(, 1, [2, 3, 6, 9]) \\ uses function in A385776

Python

print(list(islice(primes_with("2369"), 41))) # uses function/imports in A385776