sistem 4dSIMADA (Sistem Informasi dan Manajemen Basis Data) Vol. 5 No. 2 Oktober 2022 Page | 5 Jurusan Sistem Informasi Institut Informatika dan Bisnis Insitut InformatikaThe number of possible permutations for a given 4D number depends on the number of unique dits in the 4D number as shown in the table below. Number of Unique Dits in the 4D