Talen 2939 till 2945 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2939 | = | MMCMXXXIX | = | 1000 + 1000 + 1000 − 100 + 10 + 10 + 10 + 10 − 1 |
| 2940 | = | MMCMXL | = | 1000 + 1000 + 1000 − 100 + 50 − 10 |
| 2941 | = | MMCMXLI | = | 1000 + 1000 + 1000 − 100 + 50 − 10 + 1 |
| 2942 | = | MMCMXLII | = | 1000 + 1000 + 1000 − 100 + 50 − 10 + 1 + 1 |
| 2943 | = | MMCMXLIII | = | 1000 + 1000 + 1000 − 100 + 50 − 10 + 1 + 1 + 1 |
| 2944 | = | MMCMXLIV | = | 1000 + 1000 + 1000 − 100 + 50 − 10 + 5 − 1 |
| 2945 | = | MMCMXLV | = | 1000 + 1000 + 1000 − 100 + 50 − 10 + 5 |