A386167 Primes having only {2, 6, 8, 9} as digits.

2, 29, 89, 229, 269, 829, 929, 2269, 2689, 2699, 2969, 2999, 6229, 6269, 6299, 6689, 6829, 6869, 6899, 8269, 8629, 8669, 8689, 8699, 8929, 8969, 8999, 9629, 9689, 9829, 9929, 22229, 22669, 22699, 26669, 26699, 28229, 28289, 28669, 29269, 29629, 29669, 29989, 62299

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 A385788, A385790, A385800.

Cf. A000040, A030433, A385776.

Programs

Magma

[p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 6, 8, 9]];

Mathematica

Flatten[Table[Select[FromDigits /@ Tuples[{2, 6, 8, 9}, n], PrimeQ], {n, 7}]]

PARI

primes_with(, 1, [2, 6, 8, 9]) \\ uses function in A385776

Python

print(list(islice(primes_with("2689"), 41))) # uses function/imports in A385776