Talen 2278 till 2284 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2278 | = | MMCCLXXVIII | = | 1000 + 1000 + 100 + 100 + 50 + 10 + 10 + 5 + 1 + 1 + 1 |
| 2279 | = | MMCCLXXIX | = | 1000 + 1000 + 100 + 100 + 50 + 10 + 10 + 10 − 1 |
| 2280 | = | MMCCLXXX | = | 1000 + 1000 + 100 + 100 + 50 + 10 + 10 + 10 |
| 2281 | = | MMCCLXXXI | = | 1000 + 1000 + 100 + 100 + 50 + 10 + 10 + 10 + 1 |
| 2282 | = | MMCCLXXXII | = | 1000 + 1000 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 |
| 2283 | = | MMCCLXXXIII | = | 1000 + 1000 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 + 1 |
| 2284 | = | MMCCLXXXIV | = | 1000 + 1000 + 100 + 100 + 50 + 10 + 10 + 10 + 5 − 1 |