數字·羅馬數字 I,

1 II,

2 III,

3 IV,

4 V,

5 VI,

6 VII,

7 VIII,

8 IX,

9 X,

10 XI,

11 XII,

12 XIII,

13 XIV,

14 XV,

15 XVI,

16 XVII,

17 XVIII,

18 XIX,

19 XX,

20 XXI,

21 XXII,

22 XXV, 25 XXIX, 29 XXX, 30 XXXI, 31 XXXIV, 34 XXXV, 35 XXXIX, 39 XL, 40 L, 50 LI, 51 LV, 55 LX, 60 LXV, 65 LXX, 70 LXXX, 80 XC, 90 XCIII, 93 XCV, 95 XCVIII, 98 IC, 99 C, 100