1806113

Properties

Appears in sequences

• a(n) = largest prime factor of n^n - 1.at n=9A006486
• Largest prime factor of pip(n)^pip(n)-1 where pip(n) is the n-th prime-indexed prime.at n=2A104132
• Triangle read by rows in which row n lists prime factors of p^p - 1 where p = prime(n).at n=14A125135
• Triangle read by rows: row n lists prime factors of (p^p-1)/(p-1) where p = prime(n).at n=7A214811
• Largest prime factor of (p^p-1)/(p-1) where p = prime(n).at n=4A214812
• Table read by rows in which row n lists divisors of (p^p-1)/(p-1) where p = prime(n).at n=14A248843
• Largest prime factor of 11^n - 1.at n=10A274910
• Largest prime factor of 11^n - 1.at n=21A274910
• Prime numbersat n=135493