1632785701

Appears in sequences

• Carmichael numbers of the form (30k+7)*(60k+13)*(150k+31).at n=5A182085
• Carmichael numbers k that satisfy 2^d == 2^(k/d) (mod k) for all d|k and are not Super-Poulet numbers (A050217).at n=14A291612
• Carmichael numbers k such that 2^d == 2^(k/d) (mod k) for all d|k.at n=16A291616
• Poulet numbers (Fermat pseudoprimes to base 2) k such that sopfr(k) is also a Poulet number, where sopfr(k) is the sum of the primes dividing k with repetition (A001414).at n=7A329464
• Squarefree base-2 Fermat pseudoprimes divisible by a Wieferich prime.at n=19A353221