54059

Properties

Appears in sequences

• Primes of form n^2 + n + 3.at n=28A027753
• Smallest prime p such that p == 1 (mod prime(n)) and not p == 1 (mod k) for 2 < k < prime(n).at n=35A116605
• a(n) = n-th smallest prime congruent to 1 modulo prime(n).at n=35A234387
• Number of 6-element subsets of [n] whose sum is a triangular number.at n=25A320852
• Primes p that can be written as phi(k) + d(k) for some k, where phi(k) = A000010(k) is Euler's totient function and d(k) = A000005(k) is the number of divisors of k.at n=36A357916
• Prime numbersat n=5506