A386098 Primes having only {1, 2, 5, 9} as digits.

2, 5, 11, 19, 29, 59, 151, 191, 199, 211, 229, 251, 521, 599, 911, 919, 929, 991, 1129, 1151, 1229, 1259, 1291, 1511, 1559, 1951, 1999, 2111, 2129, 2221, 2251, 2521, 2551, 2591, 2999, 5119, 5519, 5521, 5591, 9151, 9199, 9221, 9511, 9521, 9551, 9929, 11119, 11159

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 A385773, A385776, A385781, A385786.

Cf. A000040, A385776.

Programs

Magma

[p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 2, 5, 9]];

Mathematica

Flatten[Table[Select[FromDigits /@ Tuples[{1, 2, 5, 9}, n], PrimeQ], {n, 7}]]

PARI

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

Python

print(list(islice(primes_with("1259"), 41))) # uses function/imports in A385776