446081

Properties

Appears in sequences

• Prime numbers p where d(p-1) = d(p+1) increases to a record.at n=9A190821
• 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=20A319823
• a(n) is the smallest number m such that tau(m-1) = tau(m+1) = tau(m)^n, where tau(m) is the number of divisors of m (A000005).at n=5A350132
• Prime numbersat n=37420