163710121domain: NPropertiesPrimalityPrimeyesAppears in sequencesLonely (or isolated) primes: increasing distance to nearest prime.at n=23A023186Prime numbers, isolated from neighboring primes by +- 100 (or more).at n=18A138058Smallest prime p such that both nearest primes up and down are farther away than n*log(p).at n=6A330428Prime numbersat n=9170830