39877

Properties

Appears in sequences

• Primes p from A031924 such that A052180(primepi(p)) = 19.at n=28A052235
• Prime number spiral (clockwise, West spoke).at n=32A054570
• Sequence of primes p(n) such that 2*p(n)+3, 2*p(n+1)+3, 2*p(n+2)+3 are consecutive primes, where p(i) denotes the i-th prime.at n=4A088119
• Primes p such that p-2 and p+2 are divisible by a cube.at n=5A089202
• Primes with digit sum = 34.at n=22A106769
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (1, 1, -1), (1, 1, 0)}.at n=10A148784
• Smallest prime k such that sigma(k - m) = sigma(k + m) has exactly n solutions, where m > 0 and sigma is A000203.at n=12A249690
• a(1)=2; thereafter, a(n) is the smallest prime not yet used which is compatible with the condition that a(n) is a quadratic residue modulo a(k) for the next n indices k = n+1, n+2, ..., 2n.at n=25A249782
• Largest prime factor of A020549(n) = (n!)^2 + 1.at n=6A301346
• Least prime factor of 44745755^4*2^(4n+2) + 1.at n=4A336347
• Consecutive states of the linear congruential pseudo-random number generator (2041*s + 25673) mod 121500 when started at s=1.at n=12A385362
• Prime numbersat n=4193