Ⅳ ROMAN NUMERAL FOUR UTF-8 character with hex code 2163

Using HEX code of ROMAN NUMERAL FOUR in HTML file

<span> &#x2163; </span>

Using Decimal code of ROMAN NUMERAL FOUR in HTML file

<span> &#8547; </span>

Using HEX code of ROMAN NUMERAL FOUR in CSS file for content

span { 
    content: '\2163';
}