199813

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(186).at n=10A041344
• Greater of twin primes of the form x^2+2, x^2+4.at n=13A085554
• Primes p of the form x^2+4, such that either p-2 or p+2 is prime.at n=16A085555
• Primes of the form 9n^2 + 4.at n=21A201706
• Smallest prime p == 5 (mod 8) such that Q(sqrt(p)) has class number 2n+1.at n=17A355877
• Prime numbersat n=17971