Talen 3125 till 3131 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 3125 | = | MMMCXXV | = | 1000 + 1000 + 1000 + 100 + 10 + 10 + 5 |
| 3126 | = | MMMCXXVI | = | 1000 + 1000 + 1000 + 100 + 10 + 10 + 5 + 1 |
| 3127 | = | MMMCXXVII | = | 1000 + 1000 + 1000 + 100 + 10 + 10 + 5 + 1 + 1 |
| 3128 | = | MMMCXXVIII | = | 1000 + 1000 + 1000 + 100 + 10 + 10 + 5 + 1 + 1 + 1 |
| 3129 | = | MMMCXXIX | = | 1000 + 1000 + 1000 + 100 + 10 + 10 + 10 − 1 |
| 3130 | = | MMMCXXX | = | 1000 + 1000 + 1000 + 100 + 10 + 10 + 10 |
| 3131 | = | MMMCXXXI | = | 1000 + 1000 + 1000 + 100 + 10 + 10 + 10 + 1 |