A386125 Primes having only {1, 4, 6, 9} as digits.

11, 19, 41, 61, 149, 191, 199, 419, 449, 461, 491, 499, 619, 641, 661, 691, 911, 919, 941, 991, 1499, 1619, 1669, 1699, 1949, 1999, 4111, 4441, 4649, 4691, 4919, 4969, 4999, 6199, 6449, 6469, 6491, 6619, 6661, 6691, 6911, 6949, 6961, 6991, 9161, 9199, 9419, 9461

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 A107666, A260269, A260271, A363023.

Cf. A000040, A385776.

Programs

Magma

[p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 4, 6, 9]];

Mathematica

Flatten[Table[Select[FromDigits /@ Tuples[{1, 4, 6, 9}, n], PrimeQ], {n, 7}]]

PARI

primes_with(, 1, [1, 4, 6, 9]) \\ uses function in A385776

Python

print(list(islice(primes_with("1469"), 41))) # uses function/imports in A385776