Greek Capital Letter Sigma vs Roman Numeral Four

Greek Capital Letter Sigma

03A3

Ⅳ

Roman Numeral Four

2163

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.

Related Comparisons

Σ vs α Greek Small Letter Alpha Σ vs λ Greek Small Letter Lamda Σ vs μ Greek Small Letter Mu Σ vs β Greek Small Letter Beta Ⅳ vs Ⅹ Roman Numeral Ten Ⅳ vs Ⅰ Roman Numeral One

Σ Greek Capital Letter Sigma details Ⅳ Roman Numeral Four details All Comparisons