512821

Properties

Appears in sequences

• A088250(n) + 1.at n=6A088251
• A088250(n) + 1.at n=7A088251
• Primes starting a Cunningham chain of the second kind of length 5.at n=23A110022
• Least primes p1 such that gap between p1 and p2=nextprime(p1) contains no semiprimes. Gap is 1 for n=0 (first term) and 2n for n=1..30.at n=11A136344
• Numbers p such that p, 2p-1, 3p-2, 4p-3, 5p-4, 6p-5, 7p-6, 8p-7 are primes.at n=0A336060
• Primes prime(k) such that prime(k) + 2*prime(k+1), prime(k) + 2*prime(k+1) + 4*prime(k+2) and prime(k) + 2*prime(k+1) + 4*prime(k+2) + 8*prime(k+3) are all prime.at n=35A337214
• Prime numbersat n=42502