65700513721
domain: N
Appears in sequences
- Carmichael numbers of the form (6*k+1)*(12*k+1)*(18*k+1), where 6*k+1, 12*k+1 and 18*k+1 are all primes.at n=14A033502
- Carmichael numbers (A002997) that are super-Poulet numbers (A050217).at n=8A291637
- Numbers of the form: (6*m + 1) * (12*m + 1) * Product_{i=1..k-2} (9 * 2^i * m + 1), where k >= 3, with the condition that each of the factors is prime and that m is divisible by 2^(k-4).at n=15A317126
- Carmichael numbers (A002997) that are overpseudoprimes to base 2 (A141232).at n=0A352987