369181

Properties

Appears in sequences

• a(n) is the largest prime factor of 2^n + 3^n.at n=13A094474
• Zsigmondy numbers for a = 3, b = 2: Zs(n, 3, 2) is the greatest divisor of 3^n - 2^n (A001047) that is relatively prime to 3^m - 2^m for all positive integers m < n.at n=27A109325
• List of primitive prime divisors of the numbers 3^n-2^n (A001047) in their order of occurrence.at n=35A129734
• Sum of odd powers of 4 and 9 divided by 13.at n=3A165259
• Primes of form (2^n + 3^n)/13.at n=2A181636
• Upper ends of record gaps between prime-indexed primes.at n=23A280081
• Prime numbersat n=31469