6684673

Properties

Appears in sequences

• a(n) = T(5,n), array T given by A048472.at n=17A048477
• Elite primes: a prime number p is called elite if only a finite number of Fermat numbers 2^(2^n)+1 are quadratic residues mod p.at n=12A102742
• Nonstandard Jacobi primes.at n=16A275879
• a(n) = 2^n*t + 1 where t is the least x such that there exists an r in the range 2 <= r <= x+1 that is coprime to 2^n*x + 1 and has multiplicative order 2^n modulo 2^n*x + 1.at n=16A370879
• Prime numbersat n=456518