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

Mathematical Italic Capital Chi is U+1D6F8 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 Italic Capital Chi?

The HTML entity for Mathematical Italic Capital Chi (U+1D6F8) is 𝛸.

What is the HTML entity for Latin Capital Letter X?

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

Are Mathematical Italic Capital Chi and Latin Capital Letter X the same Unicode character?

No. Mathematical Italic Capital Chi is U+1D6F8 (decimal 120568) and Latin Capital Letter X is U+0058 (decimal 88). They are separate codepoints.

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

Mathematical Italic Capital Chi (U+1D6F8) encodes as F0 9D 9B B8 in UTF-8. Latin Capital Letter X (U+0058) encodes as 58 in UTF-8.

Mathematical Italic Capital Chi 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.

𝛸

Mathematical Italic Capital Chi

U+1D6F8

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Latin Capital Letter X

U+0058

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Property Comparison

Property	Mathematical Italic Capital Chi	Latin Capital Letter X
Codepoint	`U+1D6F8`	`U+0058`
Decimal	`120568`	`88`
HTML Entity	`𝛸`	`X`
HTML Decimal	`𝛸`	`X`
HTML Hex	`𝛸`	`X`
UTF-8	`F0 9D 9B B8`	`58`
UTF-16	`D8 35 DE F8`	`00 58`
UTF-32	`0001D6F8`	`00000058`
CSS Escape	`\1D6F8`	`\58`
JS Escape	`\uD835\uDEF8`	`\u0058`
Python Escape	`\U0001D6F8`	`\u0058`
URL Encoded	`%F0%9D%9B%B8`	`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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