A386119 Primes having only {1, 4, 5, 6} as digits.

5, 11, 41, 61, 151, 461, 541, 641, 661, 1151, 1451, 1511, 4111, 4441, 4451, 4561, 4651, 5441, 5641, 5651, 6151, 6451, 6551, 6661, 11161, 11411, 11551, 14411, 14461, 14551, 14561, 15161, 15451, 15461, 15511, 15541, 15551, 15641, 15661, 16111, 16141, 16411, 16451

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 A260268, A260269, A385779.

Cf. A000040, A030430, A385776.

Programs

Magma

[p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 4, 5, 6]];

Mathematica

Flatten[Table[Select[FromDigits /@ Tuples[{1, 4, 5, 6}, n], PrimeQ], {n, 7}]]

PARI

primes_with(, 1, [1, 4, 5, 6]) \\ uses function in A385776

Python

print(list(islice(primes_with("1456"), 41))) # uses function/imports in A385776