86113

Properties

Appears in sequences

• Twin prime pairs p, p+2 such that p+(p+2)+1 and p*(p+2)+1 are both square.at n=39A166564
• Primes p = a^2 + b^2 such that (x - a)^2 + (y - b)^2 = 2 and q - p = 4, where q = x^2 + y^2 is prime, assuming that a > b > 0 and x > y > 0.at n=7A217674
• Prime divisors of 2^3510-1, listed with multiplicities.at n=27A242715
• a(1) = 1, a(2) = 2; for n > 2, a(n) = the smallest prime divisor of the number formed by the concatenation of a(1) to a(n-1) that has not previously appeared in the sequence.at n=19A330293
• Odd integers k>=5 such that 2^((k-1)/2)-1 == 0 (mod k*(k-3)/2).at n=8A337848
• Prime numbersat n=8371