A386140 Primes having only {2, 3, 4, 6} as digits.

2, 3, 23, 43, 223, 233, 263, 433, 443, 463, 643, 2243, 2333, 2423, 2633, 2663, 3323, 3343, 3433, 3463, 3623, 3643, 4243, 4363, 4423, 4463, 4643, 4663, 6263, 6323, 6343, 22343, 22433, 22643, 23333, 23623, 23633, 23663, 24223, 24443, 24623, 26263, 26423, 26633

Offset: 1

Author

Jason Bard, Jul 17 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 A199342, A199346, A260126.

Cf. A000040, A030431, A385776.

Programs

Magma

[p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 3, 4, 6]];

Mathematica

Flatten[Table[Select[FromDigits /@ Tuples[{2, 3, 4, 6}, n], PrimeQ], {n, 7}]]

PARI

primes_with(, 1, [2, 3, 4, 6]) \\ uses function in A385776

Python

print(list(islice(primes_with("2346"), 41))) # uses function/imports in A385776