183809

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 34.at n=19A031622
• Smallest prime p such that both (p-1)/2^(2n-1) and 2^(2n-1)*p+1 are primes.at n=4A085832
• Primes p such that 512p+1 and (p-1)/512 are both prime.at n=0A086478
• Denominators of lower primes-only best approximates (POBAs) to Pi; see Comments.at n=25A265809
• Prime numbersat n=16648