120977domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime for which 2^n exactly divides the class number h(8p) and X^2 - 2pY^2 = 2 is solvable.at n=5A102266Smaller of 3 consecutive prime numbers such that p1*p2*p3+d1+d2-1=average of twin prime pairs, d1(delta)=p2-p1,d2(delta)=p3-p2.at n=30A153402Prime numbersat n=11388