CV is the Roman numeral for 105 — 100 + 5.

How do you write 105 in Roman numerals?

Take the largest value that fits and repeat until nothing is left: C (100), then V (5). That gives CV.

105 in Roman numerals

Number (1–3,999 for numerals)

Roman numeral

105 is written CV in Roman numerals. That is 2 symbol groups added together, reading left to right from the largest value down.

How it breaks down

CV = 100 + 5 = 105
Group	Value	Subtraction	Running total
C	100	—	100
V	5	—	105

No subtraction needed

CV is purely additive — every symbol is simply added to the one before it, with no subtractive pairs like IV or IX. Numbers avoid subtraction when none of their digits is a 4 or a 9.

The symbols

Symbol	Value	Used here
I	1	no
V	5	yes — 1×
X	10	no
L	50	no
C	100	yes — 1×
D	500	no
M	1,000	no

The same number, other ways

In words: One hundred five
Roman numeral: CV
Symbol count: 2 characters
Binary: 1101001
Hexadecimal: 69

The numbers either side

Number	Roman numeral
103	CIII
104	CIV
105	CV ←
106	CVI
107	CVII

Common questions

What is 105 in Roman numerals?: 105 is CV.
What does CV mean?: CV is the Roman numeral for 105 — 100 + 5.
How do you write 105 in Roman numerals?: Take the largest value that fits and repeat until nothing is left: C (100), then V (5). That gives CV.

Sources

Calculated on this page — At One Place

How these figures are compiled and checked