279857

Properties

Appears in sequences

• Sum of 4th powers of primes dividing n.at n=45A005065
• Sum of 4th powers of primes = 2 mod 3 dividing n.at n=45A005077
• Primes of the form p^4 + 16 where p is also a prime.at n=6A094479
• Sums of two distinct prime 4th powers.at n=28A130873
• Primes which are sums of two or more distinct 4th powers of primes.at n=26A193411
• Primes of the form 4^x + y^4 with x, y > 0.at n=27A250717
• a(n) = prime(1)^4 + prime(n)^4.at n=8A287925
• a(n) = n^4 * Sum_{p|n, p prime} 1/p^4.at n=45A351244
• Prime numbersat n=24423