È comune vedere numeri romani utilizzato per esprimere le ore di un orologio, i capitoli di un libro, i secoli, tra gli altri.
Sono stati creati dai romani sulla base di alcune regole e sono composti da 7 simboli diversi:
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IV X L C D M
Su cosa:
I=1, V=5, X=10, L=50, C=100, D=500 e M=1000.
sapere come scrivi qualsiasi numero romano, dovremmo conoscere le regole del sistema numerico romano.
Ecco 6 regole per scrivere qualsiasi numero romano:
Regola 1 – I simboli I, X, C e M possono essere ripetuti fino a tre volte di seguito.
io = 1
Io = 2
III = 3
X = 10
XX = 20
XXX = 30
C = 100
CC = 200
CC = 300
M = 1000
MM = 2000
MM = 3000
Regola 2 – Il simbolo I può essere sottratto da V e X.
IV = 5 -1 = 4
IX = 10 - 1 = 9
Regola 3 – Il simbolo X può essere sottratto da L e C.
XL = 50 – 10 = 40
XC = 100 – 10 = 90
Regola 4 – Il simbolo C può essere sottratto da D e M.
CC = 500 – 100 = 400
CM = 1000 – 100 = 900
Regola 5 - Un simbolo maggiore seguito da un simbolo più piccolo indica un'addizione tra i valori.
IV = 5 + 1 = 6
VI = 5 + 2 = 7
VIII = 5 + 3 = 8
XI = 10 + 1 = 11
XII = 10 + 2 = 12
XIII = 10 + 3 = 13
XIV = 10 + 4 = 14
XV = 10 + 5 = 15
XXI = 20 + 1 = 21
XXV = 20 + 5 = 25
XXXII = 30 + 2 = 32
LIV = 50 + 4 = 54
CLX = 100 + 50 + 10 = 160
CCII = 200 + 50 + 2 = 252
CMLXI = 900 + 50 + 10 + 1 = 961
Regola 6 – Un trattino sopra un simbolo rappresenta migliaia e due tratti rappresentano milioni.
Di seguito è riportato un elenco di numeri in numeri romani da 1 a 1000 per mettere in pratica le 6 regole che abbiamo visto sul sistema numerico romano.
1 = io
2 = II
3 = III
4 = VI
5 = v
6 = VI
7 = VII
8 = VIII
9 = IX
10 = X
11 = XI
12 = XII
13 = XIII
14 = XIV
15 = XV
16 = XVI
17 = XVII
18 = XVIII
19 = XIX
20 = XX
21 = XXI
22 = XXI
23 = XXIII
24 = XXIV
25 = XXIV
26 = XXVI
27 = XXVIII
28 = XXVIII
29 = XXIX
30 = XXX
31 = XXXI
32 = XXXII
33 = XXXIII
34 = XXXIV
35 = XXXIV
36 = XXXIV
37 = XXXVII
38 = XXXVIII
39 = XXXIX
40 = XL
41 = XL
42 = XLII
43 = XLIII
44 = XLIV
45 = XLIV
46 = XLVI
47 = XLVII
48 = XLVIII
49 = XLIX
50 = l
51 = LI
52 = LI
53 = LIII
54 = LIV
55 = VL
56 = LIV
57 = LVII
58 = LVIII
59 = LIX
60 = LX
61 = LXI
62 = LXII
63 = LXIII
64 = LXIV
65 = LXIV
66 = LXVI
67 = LXVII
68 = LXVIII
69 = LXIX
70 = LXX
71 = LXXI
72 = LXXII
73 = LXXIII
74 = LXXIV
75 = LXXIV
76 = LXXVI
77 = LXXVII
78 = LXXVIII
79 = LXXIX
80 = LXXX
81 = LXXXII
82 = LXXXII
83 = LXXXIII
84 = LXXXIV
85 = LXXXIV
86 = LXXXIV
87 = LXXXVIII
88 = LXXXVIII
89 = LXXXIX
90 = XC
91 = XCI
92 = XCIII
93 = XCIII
94 = XCIV
95 = XCV
96 = XCVI
97 = XCVII
98 = XCVIII
99 = XCIX
100 = c
101 = CI
102 = CI
103 = CIII
104 = CIV
105 = CV
106 = CVI
107 = CVII
108 = CVIII
109 = CIX
110 = C.S
111 = CXI
112 = CXII
113 = CXIII
114 = CXIV
115 = CVV
116 = CXVI
117 = CXVII
118 = CXVIII
119 = CXIX
120 = CXX
121 = CXXI
122 = CXXII
123 = CXXIII
124 = CXXIV
125 = CXXIV
126 = CXXVI
127 = CXXVII
128 = CXXVIII
129 = CXXIX
130 = CXXX
131 = CXXXI
132 = CXXXII
133 = CXXXIII
134 = CXXXIV
135 = CXXXIV
136 = CXXXVI
137 = CXXXVII
138 = CXXXVIII
139 = CXXXIX
140 = CXL
141 = CXLI
142 = CXLII
143 = CXLIII
144 = CXLIV
145 = CXLV
146 = CXLVI
147 = CXLVII
148 = CXLVIII
149 = CXLIX
150 = CL
151 = CLI
152 = CLIII
153 = CLIIII
154 = CLIV
155 = CLV
156 = CLVI
157 = CLVII
158 = CLVIII
159 = CLIX
160 = CLX
161 = CLXI
162 = CLXII
163 = CL XIII
164 = CLXIV
165 = CLXIV
166 = CLXVI
167 = CLXVII
168 = CLXVIII
169 = CLXIX
170 = CLXX
171 = CLXXI
172 = CLXXII
173 = CLXXIII
174 = CLXXIV
175 = CLXXV
176 = CLXXVI
177 = CLXXVII
178 = CLXXVIII
179 = CLXXIX
180 = CLXXX
181 = CLXXXI
182 = CLXXXII
183 = CLXXXIII
184 = CLXXXIV
185 = CLXXXIV
186 = CLXXXVI
187 = CLXXXVII
188 = CLXXXVIII
189 = CLXXIX
190 = CXC
191 = CXCI
192 = CXCIII
193 = CXCIII
194 = CXCIV
195 = CVCV
196 = CXCVI
197 = CXCVII
198 = CXCVIII
199 = CXCIX
200 = CC
201 = ICC
202 = CCI
203 = CCIII
204 = CC IV
205 = VCC
206 = CCVI
207 = CCVII
208 = CCVIII
209 = CCIX
210 = CCX
211 = CCXI
212 = CCXII
213 = CCXIII
214 = CCXIV
215 = CCXV
216 = CCXVI
217 = CCXVII
218 = CCXVIII
219 = CCXIX
220 = CCXX
221 = CCXXI
222 = CCXXII
223 = CCXXIII
224 = CCXXIV
225 = CCXXV
226 = CCXXVI
227 = CCXXVII
228 = CCXXVIII
229 = CCXXIX
230 = CCXXX
231 = CCXXXI
232 = CCXXXII
233 = CCXXXIII
234 = CCXXXIV
235 = CCXXXIV
236 = CCXXXIV
237 = CCXXXVII
238 = CCXXXVIII
239 = CCXXXIX
240 = CC XL
241 = CCXLI
242 = CCXLII
243 = CCXLIII
244 = CCXLIV
245 = CCXLV
246 = CCXLVI
247 = CCXLVII
248 = CCXLVIII
249 = CCXLIX
250 = CC
251 = CCLI
252 = CCII
253 = CCLIII
254 = CCLIV
255 = CCLV
256 = CCLVI
257 = CCLVII
258 = CCLVIII
259 = CCLIX
260 = CCLX
261 = CCLXI
262 = CCLXII
263 = CCLXIII
264 = CCL XIV
265 = CCLXIV
266 = CCLXVI
267 = CCLXVII
268 = CCLXVIII
269 = CCLXIX
270 = CCLXX
271 = CCLXXI
272 = CCLXXII
273 = CCLXXIII
274 = CCLXXIV
275 = CCLXXV
276 = CCLXXVI
277 = CCLXXVII
278 = CCLXXVIII
279 = CCLXXIX
280 = CCLXXX
281 = CCLXXXI
282 = CCLXXXII
283 = CCLXXXIII
284 = CCLXXXIV
285 = CCCLXXXIV
286 = CCCLXXXVI
287 = CCCLXXXVII
288 = CCLXXXVIII
289 = CCLXXIX
290 = CCXC
291 = CCXCI
292 = CCXCIII
293 = CCXCIII
294 = CCXCI IV
295 = CCXCV
296 = CCXCVI
297 = CCXCVII
298 = CCXCVIII
299 = CCXCIX
300 = CCC
301 = CCI
302 = CCII
303 = CCCIII
304 = CCIV
305 = CCCV
306 = CCCVI
307 = CCCVII
308 = CCCVIII
309 = CCCIX
310 = CCCX
311 = CCCXI
312 = CCCXII
313 = CCCXIII
314 = CCCXIV
315 = CCCXV
316 = CCCXVI
317 = CCCXVII
318 = CCCXVIII
319 = CCCXIX
320 = CCCXX
321 = CCCXXI
322 = CCCXXII
323 = CCCXXIII
324 = CCCXXIV
325 = CCCXXV
326 = CCCXXVI
327 = CCCXXVII
328 = CCCXXVIII
329 = CCCXXIX
330 = CCCXXX
331 = CCCXXXI
332 = CCCXXXII
333 = CCCXXXIII
334 = CCCXXXIV
335 = CCCXXXIV
336 = CCCXXXVI
337 = CCCXXXVII
338 = CCCXXXVIII
339 = CCCXXXIX
340 = CCC XL
341 = CCCXLI
342 = CCCXLII
343 = CCCXLIII
344 = CCCXLIV
345 = CCCXLV
346 = CCCXLVI
347 = CCCXLVII
348 = CCCXVIII
349 = CCCXLIX
350 = CCL
351 = CCCLI
352 = CCCLII
353 = CCCLIII
354 = CCCLIV
355 = CCCLV
356 = CCCLVI
357 = CCCLVII
358 = CCCLIII
359 = CCCLIX
360 = CCCLX
361 = CCCLXI
362 = CCCLXII
363 = CCCLXIII
364 = CCCLXIV
365 = CCCLXIV
366 = CCCLXVI
367 = CCCLXVII
368 = CCCLXVIII
369 = CCCLXIX
370 = CCCLXX
371 = CCCLXXI
372 = CCCLXXII
373 = CCCLXXIII
374 = CCCLXXIV
375 = CCCLXXV
376 = CCCLXXVI
377 = CCCLXXVII
378 = CCCLXXVIII
379 = CCCLXXIX
380 = CCCLXXX
381 = CCCLXXXI
382 = CCCLXXXII
383 = CCCLXXXIII
384 = CCCLXXXIV
385 = CCCLXXXIV
386 = CCCLXXXIV
387 = CCCLXXXVII
388 = CCCLXXXVIII
389 = CCCLXXIX
390 = CCCXC
391 = CCCXCI
392 = CCCXCII
393 = CCCXCIII
394 = CCCXCIV
395 = CCCXCV
396 = CCCXCVI
397 = CCCXCVII
398 = CCCXCVIII
399 = CCCXCIX
400 = CD
401 = CSI
402 = CDII
403 = CDIII
404 = CD IV
405 = CDV
406 = CDVI
407 = CDVII
408 = CDVIII
409 = CDIX
410 = CDX
411 = CDXI
412 = CDXII
413 = CDXIII
414 = CDXIV
415 = CDXV
416 = CDXVI
417 = CDXVII
418 = CDXVIII
419 = CDXIX
420 = CDXX
421 = CDXXI
422 = CDXXII
423 = CDXXIII
424 = CDXXIV
425 = CDXXV
426 = CDXXVI
427 = CDXXVII
428 = CDXXVIII
429 = CDXXIX
430 = CDXXX
431 = CDXXXI
432 = CDXXXII
433 = CDXXXIII
434 = CDXXXIV
435 = CDXXXV
436 = CDXXXVI
437 = CDXXXVII
438 = CDXXXVIII
439 = CDXXXIX
440 = CDXL
441 = CDXL
442 = CDXLII
443 = CDXLIII
444 = CDXLIV
445 = CDXLIV
446 = CDXLVI
447 = CDXLVII
448 = CDXLVIII
449 = CDXLIX
450 = CDL
451 = CDLI
452 = CDLII
453 = CDLIIII
454 = CDLIV
455 = CDLV
456 = CDLVI
457 = CDLVII
458 = CDLVIII
459 = CDLIX
460 = CDLX
461 = CDLXI
462 = CDL XII
463 = CDL XIII
464 = CDL XIV
465 = CDLXV
466 = CDLXVI
467 = CDLXVII
468 = CDLXVIII
469 = CDLXIX
470 = CDLXX
471 = CDLXXI
472 = CDLXXII
473 = CDLXXIII
474 = CDLXXIV
475 = CDLXXV
476 = CDLXXVI
477 = CDLXXVII
478 = CDLXXVIII
479 = CDLXXIX
480 = CDLXXX
481 = CDLXXXI
482 = CDLXXXII
483 = CDLXXXIII
484 = CDLXXXIV
485 = CDLXXXV
486 = CDLXXXVI
487 = CDLXXXVII
488 = CDLXXXVIII
489 = CDLXXXIX
490 = CDXC
491 = CDXCI
492 = CDXCII
493 = CDXCIII
494 = CDXCIV
495 = CDXCV
496 = CDXCVI
497 = CDXCVII
498 = CDXCVIII
499 = CDXCIX
500 = D
501 = ID
502 = DII
503 = DIIII
504 = DIV
505 = DV
506 = DVI
507 = DVII
508 = DVIII
509 = DIX
510 = DX
511 = DXI
512 = DXII
513 = DXIII
514 = DX IV
515 = DXV
516 = DXVI
517 = DXVII
518 = DXVIII
519 = DXIX
520 = DXX
521 = DXXI
522 = DXXII
523 = DXXIII
524 = DXXIV
525 = DXXV
526 = DXXVI
527 = DXXVII
528 = DXXVIII
529 = DXXIX
530 = DXXX
531 = DXXXI
532 = DXXXII
533 = DXXXIII
534 = DXXXIV
535 = DXXXIV
536 = DXXXVI
537 = DXXXVII
538 = DXXXVIII
539 = DXXXIX
540 = DXL
541 = DXLI
542 = DXLII
543 = DXLIII
544 = DXLIV
545 = DXLV
546 = DXLVI
547 = DXLVII
548 = DXLVIII
549 = DXLIX
550 = D.L
551 = DL
552 = DII
553 = DLIII
554 = DLV
555 = DLV
556 = DLVI
557 = DVII
558 = DLVIII
559 = DLIX
560 = DLX
561 = DLXI
562 = DLXII
563 = DL XIII
564 = DL XIV
565 = DLXIV
566 = DLXVI
567 = DLXVII
568 = DLXVIII
569 = DLXIX
570 = DLXX
571 = DLXXI
572 = DLXXII
573 = DLXXIII
574 = DLXXIV
575 = DLXXV
576 = DLXXVI
577 = DLXXVII
578 = DLXXVIII
579 = DLXXIX
580 = DLXXX
581 = DLXXXI
582 = DLXXXII
583 = DLXXXIII
584 = DLXXXIV
585 = DLXXXIV
586 = DLXXXVI
587 = DLXXXVII
588 = DLXXXVIII
589 = DLXXXIX
590 = DXC
591 = DXCI
592 = DXCII
593 = DXCIII
594 = DXCIV
595 = DXCV
596 = DXCVI
597 = DXCVII
598 = DXCVIII
599 = DXCIX
600 = CC
601 = DCI
602 = DCII
603 = DCIII
604 = DCIV
605 = CVD
606 = DCVI
607 = DCVII
608 = DCVIII
609 = DCIX
610 = DCX
611 = DCXI
612 = DCXII
613 = DCXIII
614 = DCXIV
615 = DCXV
616 = DCXVI
617 = DCXVII
618 = DCXVIII
619 = DCXIX
620 = DCXX
621 = DCXXI
622 = DCXXII
623 = DCXXIII
624 = DCXXIV
625 = DCXXV
626 = DCXXVI
627 = DCXXVII
628 = DCXXVIII
629 = DCXXIX
630 = CCXXX
631 = DCXXXI
632 = DCXXXII
633 = DCXXXIII
634 = DCXXXIV
635 = CCXXXV
636 = DCXXXVI
637 = DCXXXVII
638 = DCXXXVIII
639 = DCXXXIX
640 = DC XL
641 = DCXLI
642 = DCXLII
643 = DCXLIII
644 = DCXLIV
645 = DCXLIV
646 = DCXLVI
647 = DCXLVII
648 = DCXLVIII
649 = DCXLIX
650 = CDL
651 = DCLI
652 = DCLII
653 = DCLIIII
654 = DCLIV
655 = CCLV
656 = DCCLVI
657 = DCLVII
658 = DCVIII
659 = DCLIX
660 = DCLX
661 = DCLXI
662 = DCLXII
663 = DCLXIII
664 = DCCLXIV
665 = DCCLXV
666 = DCCLXVI
667 = DCLXVII
668 = DCLXVIII
669 = DCLXIX
670 = DCLXX
671 = DCLXXI
672 = DCLXXII
673 = DCLXXIII
674 = DCLXXIV
675 = DCCLXXV
676 = DCCLXXVI
677 = DCCLXXVII
678 = DCLXXVIII
679 = DCLXXIX
680 = DCCLXXX
681 = DCCLXXXI
682 = DCLXXXII
683 = DCCLXXXIII
684 = DCCLXXXIV
685 = DCCLXXXV
686 = DCCLXXXVI
687 = DCCLXXXVII
688 = DCLXXXVIII
689 = DCLXXIX
690 = DCXC
691 = DCXCI
692 = DCXCII
693 = DCXCIII
694 = DCXCIV
695 = DCXCV
696 = DCXCVI
697 = DCXCVII
698 = DCXCVIII
699 = DCXCIX
700 = CC
701 = CCCI
702 = DCCII
703 = DCCIII
704 = DCCIIV
705 = CCV
706 = DCCVI
707 = DCCVII
708 = DCCVIII
709 = DCCIX
710 = DCCX
711 = DCCXI
712 = DCCXII
713 = DCCXIII
714 = DCCXIV
715 = DCCXV
716 = DCCXVI
717 = DCCXVII
718 = DCCXVIII
719 = DCCXIX
720 = DCCCXX
721 = DCCCXXI
722 = DCCCXXII
723 = DCCCXXIII
724 = DCCCXXIV
725 = DCCCXXV
726 = DCCCXXVI
727 = DCCCXXVII
728 = DCCCXXVIII
729 = DCCCXXIX
730 = CCXXX
731 = DCCCXXXI
732 = DCCXXXII
733 = DCCXXXIII
734 = DCCCXXXIV
735 = DCCCXXXV
736 = DCCCXXXVI
737 = DCCCXXXVII
738 = DCCXXXVIII
739 = DCCXXXIX
740 = DCCCXL
741 = DCCXLI
742 = DCCCXLII
743 = DCCXLIII
744 = DCCCXLIV
745 = DCCXLV
746 = DCCCXLVI
747 = DCCXLVII
748 = DCCXLVIII
749 = DCCCXLIX
750 = CCCL
751 = DCCL
752 = DCCLII
753 = DCCLIII
754 = DCCLIV
755 = CCCLV
756 = DCCLVI
757 = DCCLVII
758 = DCCLLVIII
759 = DCCLIX
760 = CCCLX
761 = DCCLXI
762 = DCCLXII
763 = DCCLXIII
764 = DCCLXIV
765 = DCCLXV
766 = DCCLXVI
767 = DCCLXVII
768 = DCCLXVIII
769 = DCCLXIX
770 = CCCLXX
771 = DCCLXXI
772 = DCCLXXII
773 = DCCLXXIII
774 = DCCLXXIV
775 = DCCLXXV
776 = DCCLXXVI
777 = DCCLXXVII
778 = DCCLXXVIII
779 = DCCLXXIX
780 = CCCLXXX
781 = DCCLXXXI
782 = DCCLXXXII
783 = DCCLXXXIII
784 = DCCLXXXIV
785 = DCCLXXXV
786 = DCCLXXXVI
787 = DCCLXXXVII
788 = DCCLXXXVIII
789 = DCCLXXXIX
790 = DCCXC
791 = DCCXCI
792 = DCCXCII
793 = DCCXCIII
794 = DCCXCIV
795 = DCCXCV
796 = DCCXCVI
797 = DCCXCVII
798 = DCCXCVIII
799 = DCCXCIX
800 = CCCC
801 = DCCCI
802 = DCCCII
803 = DCCCIII
804 = CCCC IV
805 = DCCCV
806 = DCCCVI
807 = CCCCVII
808 = DCCCVIII
809 = DCCCIX
810 = DCCCX
811 = DCCCCXI
812 = DCCCXII
813 = DCCCXIII
814 = DCCCXIV
815 = DCCCV
816 = DCCCXVI
817 = DCCCXVII
818 = DCCCXVIII
819 = DCCCXIX
820 = CCCCXX
821 = DCCCXXI
822 = DCCCXXII
823 = DCCCXXIII
824 = DCCCXXIV
825 = DCCCXXV
826 = DCCCXXVI
827 = DCCCXXVII
828 = DCCCXXVIII
829 = DCCCXXIX
830 = CCCCXXX
831 = CCCCXXXI
832 = DCCCXXXII
833 = DCCCXXXIII
834 = CCCCXXXIV
835 = CCCCXXXV
836 = CCCCXXXVI
837 = CCCCXXXVII
838 = DCCCXXXVIII
839 = DCCCXXXIX
840 = CCCCXL
841 = DCCCCXLI
842 = DCCCXLII
843 = DCCCXLIII
844 = DCCCXLIV
845 = DCCCXLV
846 = DCCCXLVI
847 = DCCCXLVII
848 = DCCCXLVIII
849 = DCCCXLIX
850 = CCCL
851 = CCCCLI
852 = DCCCLII
853 = DCCCCLIII
854 = DCCCLIV
855 = CCCCLV
856 = DCCCCLVI
857 = DCCCLVII
858 = DCCCLVIII
859 = DCCCLIX
860 = DCCCCLX
861 = DCCCCLXI
862 = DCCCCLXII
863 = DCCCLXIII
864 = DCCCLXIV
865 = DCCCCLXV
866 = DCCCLXVI
867 = DCCCLXVII
868 = DCCCLXVIII
869 = DCCCCLXIX
870 = DCCCLXX
871 = DCCCLXXI
872 = DCCCLXXII
873 = DCCCLXXIII
874 = DCCCLXXIV
875 = DCCCLXXV
876 = DCCCLXXVI
877 = DCCCLXXVII
878 = DCCCLXXVIII
879 = DCCCLXXIX
880 = CCCLXXX
881 = DCCCLXXXI
882 = DCCCLXXXII
883 = DCCCLXXXIII
884 = DCCCLXXXIV
885 = DCCCLXXXV
886 = DCCCLXXXVI
887 = DCCCLXXXVII
888 = DCCCLXXXVIII
889 = DCCCLXXXIX
890 = DCCCCXC
891 = DCCCXCI
892 = DCCCXCII
893 = DCCCXCIII
894 = DCCCXCIV
895 = DCCCXCV
896 = DCCCCXCVI
897 = DCCCXCVII
898 = DCCCXCVIII
899 = DCCCXCIX
900 = CM
901 = MICROFONO
902 = CMII
903 = CMIII
904 = CIV
905 = DENTI
906 = CMVI
907 = CMVII
908 = CMVIII
909 = CMIX
910 = CMMX
911 = CMXI
912 = CMXII
913 = CMXIII
914 = CMX IV
915 = CMMXV
916 = CMXVI
917 = CMXVII
918 = CMXVIII
919 = CMXIX
920 = CMXX
921 = CMXXI
922 = CMXXII
923 = CMXXIII
924 = CMXXIV
925 = CMXXV
926 = CMXXVI
927 = CMXXVII
928 = CMXXVIII
929 = CMXXIX
930 = CMXXX
931 = CMXXXI
932 = CMXXXII
933 = CMXXXIII
934 = CMXXXIV
935 = CMXXXIV
936 = CMXXXVI
937 = CMXXXVII
938 = CMXXXVIII
939 = CMXXXIX
940 = CMXL
941 = CMXLI
942 = CMXLII
943 = CMXLIII
944 = CMXLIV
945 = CMXLV
946 = CMXLVI
947 = CMXLVII
948 = CMXLVIII
949 = CMXLIX
950 = LMC
951 = CMLI
952 = CMII
953 = CMIII
954 = CMIV
955 = CMLV
956 = CMLVI
957 = CMLVII
958 = CMLVIII
959 = CMLIX
960 = CMLX
961 = CMLXI
962 = CMLXII
963 = CMLXIII
964 = CMLXIV
965 = CMLXV
966 = CMLXVI
967 = CMLXVII
968 = CMLXVIII
969 = CMLXIX
970 = CMLXX
971 = CMLXXI
972 = CMMLXXII
973 = CMMLXXIII
974 = CMMLXXIV
975 = CMMLXXV
976 = CMMLXXVI
977 = CMLXXVII
978 = CMLXXVIII
979 = CMMLXXIX
980 = CMLXXX
981 = CMLXXXI
982 = CMLXXXII
983 = CMLXXXIII
984 = CMLXXXIV
985 = CMLXXXV
986 = CMLXXXVI
987 = CMLXXXVII
988 = CMLXXXVIII
989 = CMLXXXIX
990 = CMXC
991 = CMMXCI
992 = CMXCII
993 = CMXCIII
994 = CMMXCIV
995 = CMXCV
996 = CMXCVI
997 = CMXCVII
998 = CMXCVIII
999 = CMXCIX
1000 = m
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