507217
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- prime(k) for those k where floor((2*(prime(k+1)-prime(k))*PrimePi(k) mod (8*k))/k) = m with m = 15.at n=14A109569
- The first of two primes in two-prime centuries.at n=6A156998
- a(n) = smallest prime(j) > a(n-1) such that prime(j+1) - prime(j) = 2n, a(0) = 2.at n=36A256454
- Primes p such that p + 72 is the next prime.at n=2A274045
- Prime numbersat n=42086