A386154 Primes having only {2, 4, 5, 9} as digits.

2, 5, 29, 59, 229, 449, 499, 599, 929, 2459, 2549, 2999, 4229, 4259, 4549, 4999, 5449, 9929, 9949, 22229, 22259, 22549, 24229, 24499, 25229, 25999, 29429, 29599, 29959, 42299, 42499, 42929, 44249, 44449, 44549, 44959, 45259, 45599, 45949, 45959, 49429, 49459

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 A385785, A385786, A385793.

Cf. A000040, A030433, A385776.

Programs

Magma

[p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 4, 5, 9]];

Mathematica

Flatten[Table[Select[FromDigits /@ Tuples[{2, 4, 5, 9}, n], PrimeQ], {n, 7}]]

PARI

primes_with(, 1, [2, 4, 5, 9]) \\ uses function in A385776

Python

print(list(islice(primes_with("2459"), 41))) # uses function/imports in A385776