1276001

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=36A094342
• Prime numbers p where d(p-1) = d(p+1) increases to a record.at n=10A190821
• 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=22A319823
• Primes p such that d(p^2-1) sets a record, where d(n) is the number of divisors of n.at n=38A335325
• Integers k such that the number of divisors of k^2 - 1 (A347191) sets a new record.at n=41A347192
• Prime numbersat n=98325