6652799

Properties

Appears in sequences

• Largest prime of the form n!/k!-1.at n=8A093622
• Primes generated from a gamma function based formula: very large primes from factorial level numbers like the Euclid n!+1 type of prime.at n=2A117844
• a(n) = numerator of ((n + 4)! - (n - 4)!)/(n!).at n=3A127228
• a(n) = (n! - 6)/6.at n=8A139176
• Natural numbers of the form (prime(n)!-6)/6.at n=3A139194
• Primes of the form k!/6 - 1.at n=4A290119
• Lesser of twin primes p >= 3 for which sigma(p+1)/sigma(p-1) reaches record value, where sigma(n) is the divisor sum function (A000203).at n=9A326391
• Lesser of twin primes p for which sigma(p+1)/sigma(p) reaches record value, where sigma(n) is the divisor sum function (A000203).at n=24A326392
• Lesser of twin primes p such that d(p+1) > d(q+1) for all lessers of twin primes q < p, where d(n) is the number of divisors of n (A000005).at n=31A328329
• Prime numbersat n=454513