Question

What are Roman numerals?

Answer 1

Roman numerals.

Roman numerals are an ancient number system that uses $7$ following symbols to represent any number from other number systems.

$\mathrm{I}$	$V$	$\mathrm{X}$	$\mathrm{L}$	$\mathrm{C}$	$\mathrm{D}$	$\mathrm{M}$
$1$	$5$	$10$	$50$	$100$	$500$	$1000$

The whole roman number system can be formed using this $7$ symbols.

These roman numerals $\mathrm{I},\mathrm{II},\mathrm{III},\mathrm{IV},\mathrm{V},\mathrm{VI},\mathrm{VII},\mathrm{VIII},\mathrm{IX},$ and $\mathrm{X}$ represent $1,2,3,4,5,6,7,8,9$ and $10$ respectively.

Other examples of Roman numerals are:

$$\begin{gathered} \mathrm{II}-2 \\ \mathrm{IV}-4 \\ \mathrm{VI}-6 \\ \mathrm{IX}-9 \\ \mathrm{XI}-11 \\ \mathrm{XL}-60 \\ \mathrm{DM}-1500 \end{gathered}$$