271489

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 5x + 8.at n=26A023316
• Primes with 31 as smallest positive primitive root.at n=27A061735
• a(n) = Sum_{1 <= x_1, x_2, x_3, x_4 <= n} ( gcd(x_1, n)/gcd(x_1, x_2, x_3, x_4, n) )^3.at n=7A371628
• Prime numbersat n=23765