Talen 1128 till 1134 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1128 | = | MCXXVIII | = | 1000 + 100 + 10 + 10 + 5 + 1 + 1 + 1 |
| 1129 | = | MCXXIX | = | 1000 + 100 + 10 + 10 + 10 − 1 |
| 1130 | = | MCXXX | = | 1000 + 100 + 10 + 10 + 10 |
| 1131 | = | MCXXXI | = | 1000 + 100 + 10 + 10 + 10 + 1 |
| 1132 | = | MCXXXII | = | 1000 + 100 + 10 + 10 + 10 + 1 + 1 |
| 1133 | = | MCXXXIII | = | 1000 + 100 + 10 + 10 + 10 + 1 + 1 + 1 |
| 1134 | = | MCXXXIV | = | 1000 + 100 + 10 + 10 + 10 + 5 − 1 |