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

Mathematical Bold Italic Small O is U+1D490 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 Italic Small O?

The HTML entity for Mathematical Bold Italic Small O (U+1D490) 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 Italic Small O and Latin Small Letter O the same Unicode character?

No. Mathematical Bold Italic Small O is U+1D490 (decimal 119952) and Latin Small Letter O is U+006F (decimal 111). They are separate codepoints.

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

Mathematical Bold Italic Small O (U+1D490) encodes as F0 9D 92 90 in UTF-8. Latin Small Letter O (U+006F) encodes as 6F in UTF-8.

Mathematical Bold Italic 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 Italic Small O

U+1D490

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Latin Small Letter O

U+006F

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Property Comparison

Property	Mathematical Bold Italic Small O	Latin Small Letter O
Codepoint	`U+1D490`	`U+006F`
Decimal	`119952`	`111`
HTML Entity	`𝒐`	`o`
HTML Decimal	`𝒐`	`o`
HTML Hex	`𝒐`	`o`
UTF-8	`F0 9D 92 90`	`6F`
UTF-16	`D8 35 DC 90`	`00 6F`
UTF-32	`0001D490`	`0000006F`
CSS Escape	`\1D490`	`\6F`
JS Escape	`\uD835\uDC90`	`\u006F`
Python Escape	`\U0001D490`	`\u006F`
URL Encoded	`%F0%9D%92%90`	`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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