117673domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that denominator of Sum_{k=1..p-1} 1/k^2 is a square and denominator Sum_{k=1..p-1} 1/k^3 is a cube and denominator Sum_{k=1..p-1} 1/k^4 is a fourth power.at n=27A127062Primes p such that both p^5 - 6 and p^5 + 6 are prime.at n=32A157256Prime numbersat n=11101