Talen 1564 till 1570 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1564 | = | MDLXIV | = | 1000 + 500 + 50 + 10 + 5 − 1 |
| 1565 | = | MDLXV | = | 1000 + 500 + 50 + 10 + 5 |
| 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 |