927869

Properties

Appears in sequences

• a(0)=2; for n>=1, a(n) = smallest prime p such that there is a gap of exactly 2n between p and next prime, or -1 if no such prime exists.at n=46A000230
• a(n) is the smallest prime p of the form 4k+1 such that nextprime(p) - p = 4n.at n=22A082099
• Records in A000230.at n=22A133429
• a(n) is the smallest prime p such that the gap between p and the next prime is 4*n.at n=22A301925
• Least prime p such that 2n can be written as the sum or absolute difference of p and the next prime, or -1 if no such prime exists.at n=46A363544
• Prime numbersat n=73321