Talen 2438 till 2444 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2438 | = | MMCDXXXVIII | = | 1000 + 1000 + 500 − 100 + 10 + 10 + 10 + 5 + 1 + 1 + 1 |
| 2439 | = | MMCDXXXIX | = | 1000 + 1000 + 500 − 100 + 10 + 10 + 10 + 10 − 1 |
| 2440 | = | MMCDXL | = | 1000 + 1000 + 500 − 100 + 50 − 10 |
| 2441 | = | MMCDXLI | = | 1000 + 1000 + 500 − 100 + 50 − 10 + 1 |
| 2442 | = | MMCDXLII | = | 1000 + 1000 + 500 − 100 + 50 − 10 + 1 + 1 |
| 2443 | = | MMCDXLIII | = | 1000 + 1000 + 500 − 100 + 50 − 10 + 1 + 1 + 1 |
| 2444 | = | MMCDXLIV | = | 1000 + 1000 + 500 − 100 + 50 − 10 + 5 − 1 |