939947009

Appears in sequences

• Carmichael numbers of the form p - 2 where p is a prime number.at n=7A290692
• Carmichael numbers k for which bigomega(phi(k)) < bigomega(k-1), where bigomega gives the number of prime divisors, counted with multiplicity.at n=11A339909
• Starts of runs of 3 consecutive Carmichael numbers (A002997) without a non-prime-power weak Carmichael number (A087442) between any two consecutive members.at n=24A365024