68719476731
domain: N
Appears in sequences
- Largest prime <= 2^n.at n=35A014234
- Largest prime <= 4^n.at n=17A104089
- Largest prime <= 8^n.at n=11A104093
- Least prime of the form x^n-x-1.at n=16A126439
- a(n) = largest prime <= the smallest positive integer with exactly n divisors.at n=35A145343
- Primes of the form 2^n-5.at n=10A156560
- Numbers n such that n and n+5 are prime powers.at n=16A164573
- Primes prime(k) such that prime(k) <= 2^(prime(k+1)-prime(k)) < prime(k+1).at n=6A206482