The numbers 1309 to 1315 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 1309 | = | MCCCIX | = | 1000 + 100 + 100 + 100 + 10 − 1 |
| 1310 | = | MCCCX | = | 1000 + 100 + 100 + 100 + 10 |
| 1311 | = | MCCCXI | = | 1000 + 100 + 100 + 100 + 10 + 1 |
| 1312 | = | MCCCXII | = | 1000 + 100 + 100 + 100 + 10 + 1 + 1 |
| 1313 | = | MCCCXIII | = | 1000 + 100 + 100 + 100 + 10 + 1 + 1 + 1 |
| 1314 | = | MCCCXIV | = | 1000 + 100 + 100 + 100 + 10 + 5 − 1 |
| 1315 | = | MCCCXV | = | 1000 + 100 + 100 + 100 + 10 + 5 |