Greek Capital Letter Sigma vs Roman Numeral Four
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://symbolfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://symbolfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://symbolfyi.com/entity//)Use the native HTML custom element.
VS
Property Comparison
| Property | Σ 03A3 | Ⅳ 2163 |
|---|---|---|
| Name | Greek Capital Letter Sigma | Roman Numeral Four |
| Category | Greek Letters | Roman Numerals |
| Block | Greek and Coptic | Number Forms |
| Script | Grek | Latn |
| General Category | Uppercase Letter (Lu) | Letter Number (Nl) |
| Bidirectional | L | L |
Encoding Comparison
| Format | 03A3 | 2163 |
|---|---|---|
| Unicode | U+03A3 | U+2163 |
| HTML Decimal | Σ | Ⅳ |
| HTML Hex | Σ | Ⅳ |
| CSS | \03A3 | \2163 |
| JavaScript | \u{3A3} | \u{2163} |
| Python | \u03a3 | \u2163 |
| UTF-8 | ce a3 | e2 85 a3 |
How to Distinguish
Greek Capital Letter Sigma belongs to Greek Letters while Roman Numeral Four belongs to Roman Numerals. Despite visual similarity, they serve different purposes.
Tip: Paste the character into a hex editor or use
charCodeAt()
in JavaScript to check the actual codepoint.