542497201

Appears in sequences

• Carmichael numbers of the form C = (30n-7)*(90n-23)*(300n-79).at n=3A182132
• Carmichael numbers (A002997) that are not minimal in their family.at n=24A335584
• Carmichael numbers k for which bigomega(phi(k)) < bigomega(k-1), where bigomega gives the number of prime divisors, counted with multiplicity.at n=7A339909