8719309

Appears in sequences

• Carmichael numbers that are not == 1 mod 24.at n=27A097130
• Carmichael numbers of the form C = p*(2p-1)*(n*(2p-2)+p), where p and 2p-1 are prime numbers.at n=28A182207
• Carmichael numbers k such that Euler totient function of k (phi(k)) is a perfect square.at n=11A272798
• Carmichael numbers ending in 9.at n=7A352970
• The lesser of twin Carmichael numbers: a pair of consecutive Carmichael numbers (A002997) without a non-prime-power weak Carmichael number (A087442) between them.at n=12A365022
• Smallest n-bit Carmichael number, or 0 if no such number exists.at n=14A375875