417241045

Appears in sequences

• Carmichael numbers equal to the product of 6 primes.at n=2A112429
• Pseudoprimes (base-2) equal to the product of 6 primes not necessarily distinct.at n=19A112444
• Carmichael numbers that only have composite XOR couples as defined in A182108.at n=16A182116
• Carmichael numbers k such that (k-1)/lambda(k) > (m-1)/lambda(m) for all Carmichael numbers m < k, where lambda is the Carmichael lambda function (A002322).at n=18A367320