A385786 Primes having only {2, 5, 9} as digits.

2, 5, 29, 59, 229, 599, 929, 2999, 9929, 22229, 22259, 25229, 25999, 29599, 29959, 52259, 52529, 52999, 55229, 55259, 55529, 59929, 59999, 92959, 95929, 95959, 99259, 99529, 99559, 99929, 225299, 225529, 229529, 252559, 255259, 259229, 295259, 522229, 522259

Offset: 1

Author

Jason Bard, Jul 13 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 A020460, A020468.

Cf. A000040, A030433, A385776.

Programs

Magma

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

Mathematica

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

PARI

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

Python

print(list(islice(primes_with("259"), 41))) # uses function/imports in A385776