What is the difference between Greek Instrumental Notation Symbol-45 and Square Original Of?

Greek Instrumental Notation Symbol-45 is U+1D239 in the Ancient Greek Musical Notation block. Square Original Of is U+2290 in the Mathematical Operators block. They are distinct Unicode codepoints and may appear visually similar depending on the font.

What is the HTML entity for Greek Instrumental Notation Symbol-45?

The HTML entity for Greek Instrumental Notation Symbol-45 (U+1D239) is 𝈹.

What is the HTML entity for Square Original Of?

The HTML entity for Square Original Of (U+2290) is ⊐.

Are Greek Instrumental Notation Symbol-45 and Square Original Of the same Unicode character?

No. Greek Instrumental Notation Symbol-45 is U+1D239 (decimal 119353) and Square Original Of is U+2290 (decimal 8848). They are separate codepoints.

What are the UTF-8 encodings of Greek Instrumental Notation Symbol-45 and Square Original Of?

Greek Instrumental Notation Symbol-45 (U+1D239) encodes as F0 9D 88 B9 in UTF-8. Square Original Of (U+2290) encodes as E2 8A 90 in UTF-8.

Greek Instrumental Notation Symbol-45 vs Square Original Of

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.

𝈹

Greek Instrumental Notation Symbol-45

U+1D239

Full details →

⊐

Square Original Of

U+2290

Full details →

Property Comparison

Property	Greek Instrumental Notation Symbol-45	Square Original Of
Codepoint	`U+1D239`	`U+2290`
Decimal	`119353`	`8848`
HTML Entity	`𝈹`	`⊐`
HTML Decimal	`𝈹`	`⊐`
HTML Hex	`𝈹`	`⊐`
UTF-8	`F0 9D 88 B9`	`E2 8A 90`
UTF-16	`D8 34 DE 39`	`22 90`
UTF-32	`0001D239`	`00002290`
CSS Escape	`\1D239`	`\2290`
JS Escape	`\uD834\uDE39`	`\u2290`
Python Escape	`\U0001D239`	`\u2290`
URL Encoded	`%F0%9D%88%B9`	`%E2%8A%90`
Category	`Other Symbol (So)`	`Math Symbol (Sm)`
Block	`Ancient Greek Musical Notation`	`Mathematical Operators`
Script	`Greek`	`Common`
Bidi Class	`ON`	`ON`
Unicode Version	`4.1`	`1.1`

Rows highlighted in amber differ between the two characters.

Common Comparisons

Frequently confused character pairs.

Em Dash vs En Dash 2014 / 2013 Hyphen-Minus vs Minus Sign 002D / 2212 Copyright vs Sound Recording Copyright 00A9 / 2117 Latin A vs Greek Alpha 0041 / 0391 Degree Sign vs Masculine Ordinal 00B0 / 00BA Left vs Right Single Quotation Mark 2018 / 2019 Left vs Right Double Quotation Mark 201C / 201D Multiplication Sign vs Letter x 00D7 / 0078 Right Quotation Mark vs Apostrophe 2019 / 0027 Horizontal Ellipsis vs Three Dots 2026 / 0020