169869311

Properties

Appears in sequences

• Smaller term of a pair of twin primes such that prime factors of their average are only 2 and 3.at n=15A059960
• Duplicate of A059960.at n=15A075582
• Lesser member p of a twin prime pair such that p+1 is 3-smooth.at n=16A078883
• Smaller member of a twin prime pair such that the sum sets a record for number of prime divisors (counted with multiplicity).at n=16A086827
• Smallest prime p such that the sum of it and the following prime has n prime factors including multiplicity, or 0 if no such prime exists.at n=25A105418
• Smallest prime p with bigomega(p+1)=n, where bigomega(m)=A001222(m) is the number of prime divisors of m (counted with multiplicity).at n=24A118883
• a(n) = smallest prime p such that p-1 and p+1 together have n prime divisors, or a(n) = 0 if no such prime exists.at n=30A155800
• a(n) = p is the first twin prime (p, p+2) for which p+1 has n prime factors (n>=2, multiplicity counted).at n=23A164291
• Primes p such that all the composite numbers between p and its next prime have no more than 2 distinct prime factors.at n=35A303436
• a(n) is the least prime of the form 2^j*3^k - 1, j > 0, k > 0, j + k = n. a(n) = 0 if no such prime exists.at n=23A337437
• Numbers that can be written as 2*a^2 - 1 and 3*b^3 - 1.at n=8A345702
• Numbers k for which omega(k)*omega(k + 1)*omega(k + 2) = 2 where omega = A001221.at n=33A391044
• Prime numbersat n=9496221