Talen 1566 till 1572 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1566 | = | MDLXVI | = | 1000 + 500 + 50 + 10 + 5 + 1 |
| 1567 | = | MDLXVII | = | 1000 + 500 + 50 + 10 + 5 + 1 + 1 |
| 1568 | = | MDLXVIII | = | 1000 + 500 + 50 + 10 + 5 + 1 + 1 + 1 |
| 1569 | = | MDLXIX | = | 1000 + 500 + 50 + 10 + 10 − 1 |
| 1570 | = | MDLXX | = | 1000 + 500 + 50 + 10 + 10 |
| 1571 | = | MDLXXI | = | 1000 + 500 + 50 + 10 + 10 + 1 |
| 1572 | = | MDLXXII | = | 1000 + 500 + 50 + 10 + 10 + 1 + 1 |