7995169

Appears in sequences

• Carmichael numbers C such that C-1 is not a Niven/Harshad number.at n=21A097061
• Carmichael numbers of the form C = p*(2p-1)*(n*(2p-2)+p), where p and 2p-1 are prime numbers.at n=26A182207
• Carmichael numbers divisible by 7.at n=24A182208
• Smallest number k such that gcd(phi(k), k-1) = n * lambda(k).at n=23A284089
• Numbers n > 2 such that A258409(n)*A002322(n) divides n-1.at n=13A284671
• Carmichael numbers ending in 9.at n=6A352970