20963

Properties

Appears in sequences

• Numbers that are the sum of 8 nonzero 8th powers.at n=29A003386
• Primes such that the sum of the factorials of the digits is a perfect square.at n=36A052279
• Least prime in A031936 (lesser of 18-twins) whose distance to the next 18-twin is 2*n.at n=1A052358
• A list of equal temperaments (equal divisions of the octave) whose nearest scale steps are closer and closer approximations to the ratios of three complementary pairs of simple musical tones: 7/6 and 12/7, 6/5 and 5/3 and 7/5 and 10/7.at n=32A060529
• Numbers k such that 15^k - 2 is a prime.at n=14A128458
• Smallest prime p of the form p = 3^n + k, where k has n prime divisors counted with multiplicity.at n=9A212821
• a(n) is the nearest integer to the area of a triangle with sides prime(n), prime(n+1), prime(n+2).at n=46A338267
• Prime numbersat n=2358