Sezvineiwo, iyo sexagesimal system yakasarudzwa nekuti 60 inogona kupatsanurwa zvakaenzana ne2, 3, 4, 5, 6, 10, 12, 15, 20 uye 30. Zvakare, kusiyana nevaIjipita, vaGiriki, uye vaRoma, vaBabironi vaive neyakaenzana nzvimbo-yakakosha system, uko manhamba akanyorwa mukoramu yekuruboshwe yaimiririra hukuru hukuru, zvakanyanya senge mune iyo decimal system. Simba reBabironi rehurongwa harina kuenzana zvekuti raigona kushandiswa kumiririra zvikamu sezviverengero zvizere; nekudaro kuwanda kwemaviri manhamba kwaive kusingaenzaniswi kuwanda kweanopindirana integers, uye 360 (60 x 6) madhigirii mudenderedzwa, pamwe nekushandiswa kwemasekondi uye maminetsi emaminetsi makumi matanhatu.
VaBhabhironi