Talen 2217 till 2223 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2217 | = | MMCCXVII | = | 1000 + 1000 + 100 + 100 + 10 + 5 + 1 + 1 |
| 2218 | = | MMCCXVIII | = | 1000 + 1000 + 100 + 100 + 10 + 5 + 1 + 1 + 1 |
| 2219 | = | MMCCXIX | = | 1000 + 1000 + 100 + 100 + 10 + 10 − 1 |
| 2220 | = | MMCCXX | = | 1000 + 1000 + 100 + 100 + 10 + 10 |
| 2221 | = | MMCCXXI | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 1 |
| 2222 | = | MMCCXXII | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 1 + 1 |
| 2223 | = | MMCCXXIII | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 1 + 1 + 1 |