80440

Appears in sequences

• Numbers that are the sum of 3 positive 7th powers.at n=24A003370
• Numbers k such that 181*2^k+1 is prime.at n=13A032467
• Numbers k such that sigma(k) mod pi(k) = 1.at n=20A073723
• a(n) = 2^n + 3^n + 5^n.at n=7A074527
• 5^p + 3^p + 2^p, where p = prime(n).at n=3A135176
• Sum of the seventh powers of the first n primes.at n=2A236209
• Sum of the 7th powers of the primes dividing n.at n=29A351195