403649

Properties

Appears in sequences

• Successive record-setters for tau(n+1)*tau(n-1)/tau(n)^2, where tau(n) is the number of divisors of n.at n=33A094342
• Primes p such that min(d(p-1), d(p+1)) is larger than the corresponding values of all previous primes, where d(n) is the number of divisors of n (A000005).at n=19A319823
• Primes p such that d(p^2-1) sets a record, where d(n) is the number of divisors of n.at n=35A335325
• Prime numbersat n=34125