218461
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Values of C (the hypotenuse) of a Pythagorean triangle with A (the short leg) and C both prime and part of a twin prime.at n=10A051859
- Prime hypotenuses of Pythagorean triangles with a prime leg.at n=25A067756
- Primes of the form (4*k + 3)^2 + (4*k + 2)^2 where k=0,1,2,3,...at n=21A087872
- Primes of the form prime(x)^2 + (prime(x) - 1)^2.at n=17A147718
- Primes of the form 50n^2 + 10n + 1.at n=27A154428
- Primes of the form (p^k + k - 1)/k for prime p and some k > 1.at n=32A230444
- Upper twin primes which correspond to the hypotenuse in a Pythagorean triple whose short leg is also a prime.at n=13A284035
- Hypotenuses of primitive Pythagorean triangles two sides of which are Pythagorean primes.at n=12A308341
- Primes of the form (p^k+1)/2 where p is prime and k > 1.at n=32A308442
- Prime numbersat n=19480