6320159

Properties

Appears in sequences

• a(n) is the smallest prime such that exactly n prime pairs (p,q) exist with a(n) = p * q + p + q.at n=25A198277
• Numbers k where records occur for d(k+1)/d(k), where d(k) is A000005(k).at n=35A282531
• Primes p for which sigma(p+1)/sigma(p) reaches a record value, where sigma(k) is the divisor sum function (A000203).at n=26A326393
• Prime numbersat n=433367