534851

Properties

Appears in sequences

• Primes p such that p^2 divides 6^(p-1) - 1.at n=1A212583
• Numbers n such that 6^phi(n) == 1 (modulo n^2), where phi(n) is Euler's totient function.at n=2A241978
• Primes p for which exactly seven bases b with 1 < b < p exist such that p is a base-b Wieferich prime.at n=2A255210
• Second base-n Wieferich prime, i.e., second smallest prime p such that n^(p-1) == 1 (mod p^2).at n=4A268352
• Primes p such that Omega(p + 1)^(p - 1) == 1 (mod p^2), where Omega is A001222.at n=5A306909
• Prime numbersat n=44189