6377551

Properties

Appears in sequences

• Primes of the form k^4 + k^3 + k^2 + k + 1.at n=15A088548
• Greater of twin primes pairs of the form k^1 + k^2 + k^3 + k^4 - 1.at n=5A156027
• Primes of the form n^4 + n^3 + n^2 + n + 1 where n is nonprime.at n=8A193366
• a(n) = (50^n - 1)/49.at n=5A218752
• Primes of the form (k^p-1)/(k-1) not having representation in the form (m^q+1)/(m+1), where k,m > 1 and p,q > 2.at n=21A225148
• Prime numbersat n=436986