2031671

Properties

Appears in sequences

• Greatest prime factor of n^5 + 1.at n=37A240548
• Primitive prime factors of the cyclotomic polynomial sequence Phi(10,k) in the order in which they occur.at n=40A248874
• Primes of the form n^4 - n^3 + n^2 - n + 1.at n=12A259257
• Primes of the form 1 - sigma(n) + sigma(n)^2 - sigma(n)^3 + sigma(n)^4.at n=6A259412
• Primes of the form (c^k+1)/(c+1) not having a representation in the form (b^q-1)/(b-1), where b, c > 1 and k, q > 2.at n=21A343774
• Prime numbersat n=151129