How to convert number to roman numerals?

Decimal number to roman numerals conversion

Decimal value (v) Roman numeral (n)
1 I
4 IV
5 V
9 IX
10 X
40 XL
50 L
90 XC
100 C
400 CD
500 D
900 CM
1000 M

Example #1

x = 36

Iteration # Decimal number (x) Highest decimal value (v) Highest roman numeral (n) Temporary result
1 36 10 X X
2 26 10 X XX
3 16 10 X XXX
4 6 5 V XXXV
5 1 1 I XXXVI

 

Example #2

x = 2012

Iteration # Decimal number (x) Highest decimal value (v) Highest roman numeral (n) Temporary result
1 2012 1000 M M
2 1012 1000 M MM
3 12 10 X MMX
4 2 1 I MMXI
5 1 1 I MMXII

 

Example #3

x = 1996

Iteration # Decimal number (x) Highest decimal value (v) Highest roman numeral (n) Temporary result
1 1996 1000 M M
2 996 900 CM MCM
3 96 90 XC MCMXC
4 6 5 V MCMXCV
5 1 1 I MCMXCVI
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