What is the difference between Mathematical Sans-serif Italic Capital X and Latin Capital Letter X?

Mathematical Sans-serif Italic Capital X is U+1D61F in the Mathematical Alphanumeric Symbols block. Latin Capital Letter X is U+0058 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 Sans-serif Italic Capital X?

The HTML entity for Mathematical Sans-serif Italic Capital X (U+1D61F) is 𝘟.

What is the HTML entity for Latin Capital Letter X?

The HTML entity for Latin Capital Letter X (U+0058) is X.

Are Mathematical Sans-serif Italic Capital X and Latin Capital Letter X the same Unicode character?

No. Mathematical Sans-serif Italic Capital X is U+1D61F (decimal 120351) and Latin Capital Letter X is U+0058 (decimal 88). They are separate codepoints.

What are the UTF-8 encodings of Mathematical Sans-serif Italic Capital X and Latin Capital Letter X?

Mathematical Sans-serif Italic Capital X (U+1D61F) encodes as F0 9D 98 9F in UTF-8. Latin Capital Letter X (U+0058) encodes as 58 in UTF-8.

Mathematical Sans-serif Italic Capital X vs Latin Capital Letter X

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.

𝘟

Mathematical Sans-serif Italic Capital X

U+1D61F

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Latin Capital Letter X

U+0058

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Property Comparison

Property	Mathematical Sans-serif Italic Capital X	Latin Capital Letter X
Codepoint	`U+1D61F`	`U+0058`
Decimal	`120351`	`88`
HTML Entity	`𝘟`	`X`
HTML Decimal	`𝘟`	`X`
HTML Hex	`𝘟`	`X`
UTF-8	`F0 9D 98 9F`	`58`
UTF-16	`D8 35 DE 1F`	`00 58`
UTF-32	`0001D61F`	`00000058`
CSS Escape	`\1D61F`	`\58`
JS Escape	`\uD835\uDE1F`	`\u0058`
Python Escape	`\U0001D61F`	`\u0058`
URL Encoded	`%F0%9D%98%9F`	`X`
Category	`Uppercase Letter (Lu)`	`Uppercase Letter (Lu)`
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.

Common Comparisons

Frequently confused character pairs.

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