13946829751
domain: N
Appears in sequences
- Zeroless pandigital pseudoprimes (base-2).at n=20A113641
- Zeroless pandigital Carmichael numbers.at n=2A113644
- Carmichael numbers that are not of the form x^2 + y^2 + z^2 where x, y and z are integers.at n=23A267462
- a(1) = 561; a(n+1) = smallest Fermat pseudoprime to all natural bases up to lpf(a(n)).at n=25A300629
- Carmichael numbers whose prime factors form an arithmetic progression.at n=26A300949
- Records in A083876.at n=25A348258