211723

Properties

Appears in sequences

• Primes p such that the largest prime divisor of p^6 + 1 is less than p.at n=12A102328
• Alkane systems (see Cyvin reference for precise definition).at n=14A121188
• Least prime P such that 3*p(n)*P*(3*p(n)*P+1)-1, 3*p(n)*P*(3*p(n)*P+1)+1,3*p(n)*P*(3*p(n)*P+3)-1,3*p(n)*P*(3*p(n)*P+3)+1 are all primes with p(i) = i-th prime.at n=31A137839
• Prime numbersat n=18953