617479

Properties

Appears in sequences

• Odd primes p such that the number of primes less than p that are congruent to 1 (mod 4) is equal to the number of primes less than p that are congruent to 3 (mod 4).at n=23A096447
• Fixed points for prime number permutation A108546.at n=29A108547
• Prime numbersat n=50434