414737

Properties

Appears in sequences

• Primes p of the form 4*n^2 + 1 such that 4*p^2+1 is also prime.at n=12A121834
• Primes of the form 81*k^2 - 72*k + 17.at n=7A154276
• Primes of the form p^2 + 2*p + 2 where p is prime.at n=27A157467
• Primes of the form n^2+1 such that (n+2)^2+1 is also prime.at n=10A206328
• First of two consecutive (primes of the form n^2+1) with no semiprime of the same form between them.at n=13A242109
• Number of irredundant sets in the n-double cone graph.at n=11A391917
• Prime numbersat n=34979