128047domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that the digits of k^2 are exactly the same (albeit in different order) as the digits of (k+1)^2.at n=35A072841Prime numbers p such that p^2 and (p+1)^2 are anagrams.at n=7A175519Prime numbersat n=11990