6568801

Properties

Appears in sequences

• Cyclotomic polynomials at x = -7.at n=15A020506
• a(n) = n^8 + n^7 - n^5 - n^4 - n^3 + n + 1.at n=7A060894
• Largest prime factor of 7^n + 1.at n=15A227575
• Primes of the form Phi(k, -7), where Phi is the cyclotomic polynomial.at n=3A291993
• Primes of the form Phi(k, 7), where Phi is the cyclotomic polynomial.at n=6A292011
• Smallest primitive prime factor of 7^n-1.at n=29A379640
• Prime numbersat n=449159