EntityQ1589528· pop 14· linked from 236 articlescentered octagonal numberSign in to savesubclass of centered polygonal numberConnectionsprime numberEntityfigurate numberEntitycentered polygonal numberEntityautomorphic numberEntitynatural numberEntitydigital object identifierEntitydigitEntitybinary numeral systemEntity25EntityexponentiationEntitynumeral systemEntitydimensionEntity49Entitythree-dimensional spaceEntity81EntitydeterminantEntityoctagonEntityparityEntitynatural languageEntityperfect numberEntityCategoriesFigurate numbers