5200081

Properties

Appears in sequences

• Primes of the form n^4 - n^3 + n^2 - n + 1.at n=15A259257
• a(n) = 1 - sigma(n) + sigma(n)^2 - sigma(n)^3 + sigma(n)^4.at n=32A259410
• Primes of the form 1 - sigma(n) + sigma(n)^2 - sigma(n)^3 + sigma(n)^4.at n=4A259412
• Primes of the form 1 - sigma(n) + sigma(n)^2 - sigma(n)^3 + sigma(n)^4.at n=5A259412
• Primes of the form 1 - sigma(n) + sigma(n)^2 - sigma(n)^3 + sigma(n)^4.at n=7A259412
• 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=25A343774
• Prime numbersat n=361413