What is the difference between Mathematical Bold Small O and Latin Small Letter O?

Mathematical Bold Small O is U+1D428 in the Mathematical Alphanumeric Symbols block. Latin Small Letter O is U+006F in the Basic Latin block. They are distinct Unicode codepoints and may appear visually similar depending on the font.

What is the HTML entity for Mathematical Bold Small O?

The HTML entity for Mathematical Bold Small O (U+1D428) is 𝐨.

What is the HTML entity for Latin Small Letter O?

The HTML entity for Latin Small Letter O (U+006F) is o.

Are Mathematical Bold Small O and Latin Small Letter O the same Unicode character?

No. Mathematical Bold Small O is U+1D428 (decimal 119848) and Latin Small Letter O is U+006F (decimal 111). They are separate codepoints.

What are the UTF-8 encodings of Mathematical Bold Small O and Latin Small Letter O?

Mathematical Bold Small O (U+1D428) encodes as F0 9D 90 A8 in UTF-8. Latin Small Letter O (U+006F) encodes as 6F in UTF-8.

Mathematical Bold Small O vs Latin Small Letter O

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.

𝐨

Mathematical Bold Small O

U+1D428

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Latin Small Letter O

U+006F

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Property Comparison

Property	Mathematical Bold Small O	Latin Small Letter O
Codepoint	`U+1D428`	`U+006F`
Decimal	`119848`	`111`
HTML Entity	`𝐨`	`o`
HTML Decimal	`𝐨`	`o`
HTML Hex	`𝐨`	`o`
UTF-8	`F0 9D 90 A8`	`6F`
UTF-16	`D8 35 DC 28`	`00 6F`
UTF-32	`0001D428`	`0000006F`
CSS Escape	`\1D428`	`\6F`
JS Escape	`\uD835\uDC28`	`\u006F`
Python Escape	`\U0001D428`	`\u006F`
URL Encoded	`%F0%9D%90%A8`	`o`
Category	`Lowercase Letter (Ll)`	`Lowercase Letter (Ll)`
Block	`Mathematical Alphanumeric Symbols`	`Basic Latin`
Script	`Common`	`Latin`
Bidi Class	`L`	`L`
Unicode Version	`3.1`	`1.1`

Rows highlighted in amber differ between the two characters.

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Frequently confused character pairs.

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