XXXIX Roman Numeral

What is the XXXIX roman numeral equal to?

The XXXIX roman numeral is equal to the number 39:

XXXIX = X+X+X+(X-I) = 10+10+10+(10-1) = 39

The X roman numeral is equal to the number 10:

X = 10

IX is equal to X minus I:

IX = X-I = 10-1 = 9

So the roman numeral XXXIX is equal to 39:

XXXIX = 39


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Number Roman
Numeral
Calculation
0 not
defined
 
1 I 1
2 II 1+1
3 III 1+1+1
4 IV 5-1
5 V 5
6 VI 5+1
7 VII 5+1+1
8 VIII 5+1+1+1
9 IX 10-1
10 X 10

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