819739

Properties

Appears in sequences

• Numbers k such that 5*2^k + 1 is prime.at n=21A002254
• Numbers n such that 5*2^n + 1 is a prime factor of a generalized Fermat number 3^(2^m) + 1 for some m.at n=5A268661
• Primes p such that 5*2^p + 1 is also prime.at n=6A322301
• Numbers k such that 5*2^k + 1 is an elite prime (A102742).at n=5A346542
• Prime numbersat n=65397