67153

Properties

Appears in sequences

• a(n) and a(n)+4^k are primes at least for k=1,2,3,4.at n=23A049494
• Smallest prime factor of 3*(2n+1)^(2n+1) + 2.at n=31A216146
• Least prime p such that pi(p*n)^2 + 1 = prime(q*n) for some prime q.at n=47A260219
• Prime numbersat n=6690