617717

Properties

Appears in sequences

• Primes p for which pi_{4,3}(p) - pi_{4,1}(p) = -1, where pi_{m,a}(x) is the number of primes <= x which are congruent to a (mod m).at n=17A051025
• 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=28A096447
• Primes p for which pi_{4,3}(p) < pi_{4,1}(p), where pi_{m,a}(x) is the number of primes <= x which are congruent to a (mod m).at n=32A199547
• a(n) = ceiling(((10^n - 1)^2/9 + 10^n)/18).at n=4A202606
• Lower twin primes p such that 6*p-1 and 6*p+1 are twin primes and (p+1)/6 is prime.at n=12A358202
• Prime numbersat n=50450