What is the difference between Mathematical Bold Italic Small Zeta and Greek Small Letter Zeta?

Mathematical Bold Italic Small Zeta is U+1D73B in the Mathematical Alphanumeric Symbols block. Greek Small Letter Zeta is U+03B6 in the Greek and Coptic block. They are distinct Unicode codepoints and may appear visually similar depending on the font.

What is the HTML entity for Mathematical Bold Italic Small Zeta?

The HTML entity for Mathematical Bold Italic Small Zeta (U+1D73B) is 𝜻.

What is the HTML entity for Greek Small Letter Zeta?

The HTML entity for Greek Small Letter Zeta (U+03B6) is ζ.

Are Mathematical Bold Italic Small Zeta and Greek Small Letter Zeta the same Unicode character?

No. Mathematical Bold Italic Small Zeta is U+1D73B (decimal 120635) and Greek Small Letter Zeta is U+03B6 (decimal 950). They are separate codepoints.

What are the UTF-8 encodings of Mathematical Bold Italic Small Zeta and Greek Small Letter Zeta?

Mathematical Bold Italic Small Zeta (U+1D73B) encodes as F0 9D 9C BB in UTF-8. Greek Small Letter Zeta (U+03B6) encodes as CE B6 in UTF-8.

Mathematical Bold Italic Small Zeta vs Greek Small Letter Zeta

Compare two Unicode characters side by side — encodings, HTML entities, escape sequences, and Unicode properties. Useful for distinguishing visually similar characters like hyphens and dashes, quotation marks, or homoglyphs.

𝜻

Mathematical Bold Italic Small Zeta

U+1D73B

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Greek Small Letter Zeta

U+03B6

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Property Comparison

Property	Mathematical Bold Italic Small Zeta	Greek Small Letter Zeta
Codepoint	`U+1D73B`	`U+03B6`
Decimal	`120635`	`950`
HTML Entity	`𝜻`	`ζ`
HTML Decimal	`𝜻`	`ζ`
HTML Hex	`𝜻`	`ζ`
UTF-8	`F0 9D 9C BB`	`CE B6`
UTF-16	`D8 35 DF 3B`	`03 B6`
UTF-32	`0001D73B`	`000003B6`
CSS Escape	`\1D73B`	`\3B6`
JS Escape	`\uD835\uDF3B`	`\u03B6`
Python Escape	`\U0001D73B`	`\u03B6`
URL Encoded	`%F0%9D%9C%BB`	`%CE%B6`
Category	`Lowercase Letter (Ll)`	`Lowercase Letter (Ll)`
Block	`Mathematical Alphanumeric Symbols`	`Greek and Coptic`
Script	`Common`	`Greek`
Bidi Class	`L`	`L`
Unicode Version	`3.1`	`1.1`

Rows highlighted in amber differ between the two characters.

Common Comparisons

Frequently confused character pairs.

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