57709

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 9x + 10.at n=25A023327
• Primes p such that p + googol is prime.at n=35A108250
• Prime numbers that have a decagonal (10 sides) Voronoi cell in the Voronoi diagram of the Ulam prime spiral.at n=13A257748
• a(n) is the least integer h such that there exists a Pythagorean triple whose hypotenuse is h and whose other legs z satisfy A176774(z) = n.at n=15A343981
• Triangle read by rows: T(n,k) = number of collections of up to k subsets of [n] covering [n], with [0]={}; n>=0, k=0..2^n.at n=29A381683
• Prime numbersat n=5845