83641

Properties

Appears in sequences

• Prime hypotenuses of Pythagorean triangles with a prime leg.at n=17A067756
• Primes of the form 8*n^2 + 4*n + 1.at n=31A102130
• Greater of twin primes p2 such that p1^3+p2^2=pp is the average of twin primes. p1 and p2 twin primes, p1 < p2.at n=11A139779
• Primes p of the form : p+p^2+p^3-+4=prime.at n=23A154822
• Twin prime pairs p, p+2 such that p+(p+2)+1 and p*(p+2)+1 are both square.at n=37A166564
• Primes of the form (p^k + k - 1)/k for prime p and some k > 1.at n=24A230444
• Primes p such that q = p^2 - 2, r = q^2 - 2 and s = r^2 - 2 are also prime.at n=11A257552
• Primes whose anti-divisors sum to a prime.at n=23A259932
• Upper twin primes which correspond to the hypotenuse in a Pythagorean triple whose short leg is also a prime.at n=8A284035
• Hypotenuses of primitive Pythagorean triangles two sides of which are Pythagorean primes.at n=6A308341
• Primes of the form (p^k+1)/2 where p is prime and k > 1.at n=23A308442
• Prime numbersat n=8164