Talen 3925 till 3931 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 3925 | = | MMMCMXXV | = | 1000 + 1000 + 1000 + 1000 − 100 + 10 + 10 + 5 |
| 3926 | = | MMMCMXXVI | = | 1000 + 1000 + 1000 + 1000 − 100 + 10 + 10 + 5 + 1 |
| 3927 | = | MMMCMXXVII | = | 1000 + 1000 + 1000 + 1000 − 100 + 10 + 10 + 5 + 1 + 1 |
| 3928 | = | MMMCMXXVIII | = | 1000 + 1000 + 1000 + 1000 − 100 + 10 + 10 + 5 + 1 + 1 + 1 |
| 3929 | = | MMMCMXXIX | = | 1000 + 1000 + 1000 + 1000 − 100 + 10 + 10 + 10 − 1 |
| 3930 | = | MMMCMXXX | = | 1000 + 1000 + 1000 + 1000 − 100 + 10 + 10 + 10 |
| 3931 | = | MMMCMXXXI | = | 1000 + 1000 + 1000 + 1000 − 100 + 10 + 10 + 10 + 1 |