HTML Entity for Not Equivalent To (≭)
What You'll Learn
How to display the Not Equivalent To symbol (≭) in HTML using named, hexadecimal, decimal, and CSS escape methods. This mathematical relation operator states that two expressions or relations are not equivalent (e.g. A ≭ B).
This character is U+226D (NOT EQUIVALENT TO) in the Mathematical Operators block (U+2200–U+22FF). Render it with the named entity ≭, ≭, ≭, or CSS escape \226D. Compare with Not Equal To (≠, ≠) and Equivalent To (≍, ≍).
⚡ Quick Reference — Not Equivalent To
U+226DMathematical Operators
≭Hexadecimal reference
≭Decimal reference
≭HTML5 named entity for U+226D
Name Value
──────────── ──────────
Unicode U+226D
Hex code ≭
HTML code ≭
Named entity ≭
CSS code \226D
Meaning Not equivalent to
Related U+224D = equivalent to (≍, ≍)
U+2260 = not equal (≠, ≠)
U+2261 = identical to (≡, ≡)
Block Mathematical Operators (U+2200–U+22FF)Complete HTML Example
A simple example showing ≭ using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape:
<!DOCTYPE html>
<html>
<head>
<style>
#point::after{
content: "\226D";
}
</style>
</head>
<body>
<p>Symbol (hex): ≭</p>
<p>Symbol (decimal): ≭</p>
<p>Symbol (named): ≭</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>🌐 Browser Support
U+226D is widely supported wherever Unicode Mathematical Operators render correctly:
👀 Live Preview
See ≭ in mathematical relation and logic contexts:
🧠 How It Works
Named Entity
≭ is the HTML named entity for U+226D—the most readable choice when writing relation markup.
Hexadecimal Code
≭ uses the Unicode hexadecimal value 226D to display the not-equivalent symbol.
Decimal HTML Code
≭ uses the decimal Unicode value 8813 to display the same character.
CSS Entity
\226D is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.
Same visual result
All four methods produce: ≭. Unicode U+226D in Mathematical Operators (U+2200–U+22FF).
Use Cases
The ≭ symbol (≭) is commonly used in:
Expressing that two relations or expressions are not equivalent.
Formal proofs and definitions involving equivalence relations.
Textbooks, papers, and lecture notes published as HTML.
Asymptotic and equivalence notation in mathematical analysis.
Interactive math modules with web-based notation.
Unicode charts and HTML entity documentation for math symbols.
💡 Best Practices
Do
- Use
≭for readable relation markup - Distinguish ≭ from ≠ (not equal) and ≍ (equivalent to)
- Pair ≭ with plain-language description on first use
- Use numeric references in generated or XML-first workflows
- Serve pages with UTF-8 (
<meta charset="utf-8">)
Don’t
- Confuse ≭ (
≭) with ≠ (≠) - Confuse ≭ with ≍ (
≍, equivalent to—a different code point) - Use padded Unicode notation like U+0226D—the correct value is
U+226D - Put CSS escape
\226Din HTML text nodes - Use
\0226Din CSS—the correct escape is\226D
Key Takeaways
Three HTML references plus CSS all render ≭
≭ ≭ ≭For CSS stylesheets, use the escape in the content property
\226DUnicode U+226D — NOT EQUIVALENT TO
Mathematical Operators block (U+2200–U+22FF)
≭ is the preferred named entity for readable source markup
❓ Frequently Asked Questions
≭ (named), ≭ (hex), ≭ (decimal), or \226D in CSS content. All produce ≭.U+226D (NOT EQUIVALENT TO). Mathematical Operators block (U+2200–U+22FF). Hex 226D, decimal 8813. Named entity: ≭.≠) for strict inequality of values and ≍ (≍) for equivalence.≭, ≭, or ≭) go directly in markup. The CSS escape \226D is used in stylesheets, typically in the content property of pseudo-elements. Same visual result, different layers of the stack.≭ is the named HTML entity for U+226D. Note the mixed-case spelling—that is the correct HTML5 entity name.Explore More HTML Entities!
Discover 1500+ HTML character references — arrows, symbols, and more.
About the author
8 people found this page helpful