1299457domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form prime(x)*prime(x+1) - (prime(x+1)-prime(x)).at n=25A140120Primes p such that S_e(p-1)/S_o(p-1) is an integer, where S_e(x) is the sum of the even numbers and S_o(x) is the sum of the odd numbers in the Collatz iteration of x.at n=9A275584Prime numbersat n=99986