8257537

Properties

Appears in sequences

• Primes p for which the period of 1/p is a power of 2.at n=23A072982
• a(n) = 63*2^(n+1) + 1.at n=16A196657
• Primes of the form 63*2^n + 1.at n=6A196658
• Primes of the form 2^k*(2^{phi(m)} - 1) + 1, where k and m are positive integers, and phi(.) is Euler's totient function.at n=37A234388
• Prime numbersat n=555942