The Shadoks (French: Les Shadoks) is a French animated series. The language of the Shadoks consists of only four syllables, which can be combined in different ways: GA, BU, ZO and MEU and at the same time stand for the numbers 0, 1, 2 and 3.
The number system of the Shadoks is the 4-system or also quaternary system. Thus, all larger numbers are represented in the quaternary system.
| Dezimalsystem | Quartärsystem | Shadoks |
| 10 | 22 | ZOZO |
| 16 | 100 | BUGAGA |
| 20 | 110 | BUBUGA |
| 100 | 1210 | BUZOBUGA |