Talen 2991 till 2997 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2991 | = | MMCMXCI | = | 1000 + 1000 + 1000 − 100 + 100 − 10 + 1 |
| 2992 | = | MMCMXCII | = | 1000 + 1000 + 1000 − 100 + 100 − 10 + 1 + 1 |
| 2993 | = | MMCMXCIII | = | 1000 + 1000 + 1000 − 100 + 100 − 10 + 1 + 1 + 1 |
| 2994 | = | MMCMXCIV | = | 1000 + 1000 + 1000 − 100 + 100 − 10 + 5 − 1 |
| 2995 | = | MMCMXCV | = | 1000 + 1000 + 1000 − 100 + 100 − 10 + 5 |
| 2996 | = | MMCMXCVI | = | 1000 + 1000 + 1000 − 100 + 100 − 10 + 5 + 1 |
| 2997 | = | MMCMXCVII | = | 1000 + 1000 + 1000 − 100 + 100 − 10 + 5 + 1 + 1 |