21350213domain: NPropertiesPrimalityPrimeyesAppears in sequencesAutomorphic numbers: n^2 ends with n in base 6 (written in base 6).at n=14A201821This sequence and A259989 are base-6 analogs of A007185 and A016090, written in base 6.at n=7A259988Prime numbersat n=1350705