54347domain: NPropertiesPrimalityPrimeyesAppears in sequencesThe $620 prime list.at n=21A018188Integers n such that the century defined by the interval [100n+1, 100n+100] (i.e., the (n+1)-st century) contains exactly one Ormiston prime pair and no other primes.at n=6A162895Prime numbersat n=5528