Talen 2987 till 2993 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2987 | = | MMCMLXXXVII | = | 1000 + 1000 + 1000 − 100 + 50 + 10 + 10 + 10 + 5 + 1 + 1 |
| 2988 | = | MMCMLXXXVIII | = | 1000 + 1000 + 1000 − 100 + 50 + 10 + 10 + 10 + 5 + 1 + 1 + 1 |
| 2989 | = | MMCMLXXXIX | = | 1000 + 1000 + 1000 − 100 + 50 + 10 + 10 + 10 + 10 − 1 |
| 2990 | = | MMCMXC | = | 1000 + 1000 + 1000 − 100 + 100 − 10 |
| 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 |