94983

Appears in sequences

• Integers k such that 10^k+21 is prime.at n=16A108050
• Short leg A of primitive Pythagorean triangles such that perimeters and products of 3 sides are Averages of twin prime pairs, q=p+1, a=q^2-p^2, c=q^2+p^2, b=2*p*q, ar=a*b/2; s=a+b+c, s-+1 are primes, pr=a*b*c, pr-+1 are primes.at n=4A155180
• a(n) = Sum_{d|n} sigma_[n/d](d), where sigma_[k](n) is the sum of the k-th powers of the divisors of n.at n=34A348398
• Consecutive states of the linear congruential pseudo-random number generator (1861*s + 49297) mod 233280 when started at s=1.at n=26A385360