Alef Symbol First Transfinite Cardinal is the Unicode character ℵ at codepoint U+2135 in the Letterlike Symbols block of the Basic Multilingual Plane (BMP). Click the character above to copy it to your clipboard — or use one of the
encodings below to embed it in HTML, CSS, JavaScript, Python or plain text.
Technical Reference
| Unicode Codepoint | |
| Decimal | |
| UTF-8 (hex) | |
| UTF-16 (hex) | |
| HEX Entity | |
| HTML Entity | |
| CSS (\xxxx) | |
| JavaScript | |
| Python |
How to Use Alef Symbol First Transfinite Cardinal
To use the Alef Symbol First Transfinite Cardinal symbol (ℵ) in HTML, insert the
entity ℵ directly into your markup. The decimal entity ℵ works in any HTML-serialised document.
In CSS pseudo-elements use content: '\2135';.
In JavaScript and TypeScript the escape '\u2135' evaluates to ℵ. In Python source, write '\u2135'.
The character encodes to E2 84 B5 as UTF-8 bytes and 2135 as UTF-16 code units. Its decimal codepoint is 8501.
This is a text-based Unicode character. It will render in the current font on most platforms. If a font lacks this glyph, the browser may show a placeholder or fall back to a system font.