104309

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 25.at n=23A031613
• List of primes p1 such that (p1,p2) are twin primes where both 2*p1+p2 and p1+2*p2 are primes.at n=31A174920
• Primes p such that p+2, p*(p+1)/2-2 and p*(p+1)/2+2 are also primes.at n=27A349336
• Prime numbersat n=9961