2699538733

Appears in sequences

• a(n) = largest prime factor of n^n - 1.at n=15A006486
• Largest prime factor of pip(n)^pip(n)-1 where pip(n) is the n-th prime-indexed prime.at n=3A104132
• Triangle read by rows in which row n lists prime factors of p^p - 1 where p = prime(n).at n=27A125135
• Triangle read by rows: row n lists prime factors of (p^p-1)/(p-1) where p = prime(n).at n=13A214811
• Largest prime factor of (p^p-1)/(p-1) where p = prime(n).at n=6A214812
• The left Aurifeuillian factor of k^k - 1 for k congruent to 1 (mod 4) and squarefree.at n=2A230376
• Table read by rows in which row n lists divisors of (p^p-1)/(p-1) where p = prime(n).at n=27A248843
• The left Aurifeuillian factor of p^p - 1 for primes p congruent to 1 (mod 4).at n=2A352711