289560

Appears in sequences

• Long leg B of primitive Pythagorean triangles such that perimeters are Averages of twin prime pairs, q=p+1, a=q^2-p^2, c=q^2+p^2, b=2*p*q, s=a+b+c, s-+1 are primes.at n=25A155174
• Numbers that are equal to the product of the numerator and denominator of the harmonic mean of their divisors.at n=22A348828
• Length of the long leg in the unique primitive Pythagorean triple whose inradius is A002378(n) and such that its long leg and its hypotenuse are consecutive natural numbers.at n=19A384288