221327

Properties

Appears in sequences

• Lower prime of the second gap of 2n between primes.at n=32A046789
• prime(k) for those k where floor((2*(prime(k+1)-prime(k))*PrimePi(k) mod (8*k))/k) = m with m = 14.at n=16A109568
• Primes p=prime(i) of level (1,5), i.e., such that A118534(i) = prime(i-5).at n=22A118464
• a(n) is the smallest prime q such that, for the previous prime p and the following prime r, the fraction (q-p)/(r-q) has denominator n (or 0, if such a prime does not exist).at n=32A168253
• Primes p such that q - p = 66, where q is the next prime after p.at n=1A225811
• a(n) is the least prime p such that the second forward difference of three consecutive primes p, q and r is n = -(p - 2q + r)/2.at n=30A316792
• a(n) is the first prime p such that each of the first n primes divides at least one of the composites between p and the next prime, but prime(n+1) does not divide any of these.at n=33A341640
• a(n) is the first prime p such that each of the first n primes divides at least one of the composites between p and the next prime.at n=32A341650
• a(n) is the first prime p such that each of the first n primes divides at least one of the composites between p and the next prime.at n=33A341650
• Prime numbersat n=19724