What is the difference between Mathematical Script Capital X and Latin Capital Letter X?

Mathematical Script Capital X is U+1D4B3 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 Script Capital X?

The HTML entity for Mathematical Script Capital X (U+1D4B3) 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 Script Capital X and Latin Capital Letter X the same Unicode character?

No. Mathematical Script Capital X is U+1D4B3 (decimal 119987) and Latin Capital Letter X is U+0058 (decimal 88). They are separate codepoints.

What are the UTF-8 encodings of Mathematical Script Capital X and Latin Capital Letter X?

Mathematical Script Capital X (U+1D4B3) encodes as F0 9D 92 B3 in UTF-8. Latin Capital Letter X (U+0058) encodes as 58 in UTF-8.

Mathematical Script 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 Script Capital X

U+1D4B3

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Latin Capital Letter X

U+0058

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Property Comparison

Property	Mathematical Script Capital X	Latin Capital Letter X
Codepoint	`U+1D4B3`	`U+0058`
Decimal	`119987`	`88`
HTML Entity	`𝒳`	`X`
HTML Decimal	`𝒳`	`X`
HTML Hex	`𝒳`	`X`
UTF-8	`F0 9D 92 B3`	`58`
UTF-16	`D8 35 DC B3`	`00 58`
UTF-32	`0001D4B3`	`00000058`
CSS Escape	`\1D4B3`	`\58`
JS Escape	`\uD835\uDCB3`	`\u0058`
Python Escape	`\U0001D4B3`	`\u0058`
URL Encoded	`%F0%9D%92%B3`	`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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