Talen 2231 till 2237 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2231 | = | MMCCXXXI | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 10 + 1 |
| 2232 | = | MMCCXXXII | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 10 + 1 + 1 |
| 2233 | = | MMCCXXXIII | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 10 + 1 + 1 + 1 |
| 2234 | = | MMCCXXXIV | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 10 + 5 − 1 |
| 2235 | = | MMCCXXXV | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 10 + 5 |
| 2236 | = | MMCCXXXVI | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 10 + 5 + 1 |
| 2237 | = | MMCCXXXVII | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 10 + 5 + 1 + 1 |