238339

Properties

Appears in sequences

• 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=33A137839
• Primes p with pi(p), pi(pi(p)) and pi(p^2) all prime, where pi(.) is given by A000720.at n=21A237687
• Prime numbersat n=21089