452009domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes containing the digits (2,0,0,9) in that order.at n=23A197114Lesser of Gridgeman pairs in base 8 in increasing order: pairs of primes palindromic in base 8 which differ only in their middle digits by a difference of 1.at n=17A246871Prime numbersat n=37875