Mathematical Double-struck Small N Symbol
π (U+1D55F) is the mathematical double-struck small letter N used to distinguish number sets and variables.
U+1D55F
π is a double-struck form of the letter N used in mathematical notation. It helps visually differentiate symbols that might otherwise look like a regular lowercase n. Below youβll find copy/paste options, code points, and practical examples.
Mathematical Double-struck Small N Symbol Meaning
π (Unicode U+1D55F) is the βMathematical Double-Struck Small Nβ character. In math typography, double-struck letters are commonly used to signal a special meaning compared to ordinary Latin letters. Depending on the author and context, π may represent a specific set (often discussed alongside other number-set symbols) or a variable/notation where distinguishing font style is important. When writing equations, using the correct Unicode character can improve consistency with published math and avoid ambiguity that occurs when regular βnβ is used.
Common uses
- β’Typing number-set or notation symbols in math expressions and documents
- β’Labeling elements or domains in equations where a distinct font style is required
- β’Copying math symbols into LaTeX-like plain text workflows that support Unicode
- β’Creating consistent typography in technical posts, worksheets, and notes
- β’Using the symbol in UI text for math-heavy dashboards or educational content
Examples
π β Mathematical Double-Struck Small N
- ππ is used as a special set label in this section.
- πLet x β π and study the properties of x.
- πDefine f: π β π for an iterative process.
- πWe iterate n times where n belongs to π.
- πThe recurrence is specified for all values in π.
Variations
Ready to copy
Technical codes
| Unicode | U+1D55F | |
| HTML Entity | 𝕟 | |
| HTML Code | 𝕟 | |
| CSS | \1D55F | |
| Decimal | 120159 |
How to type Mathematical Double-struck Small N Symbol (π)
On Windows
In Word, type 1D55F then press Alt + X. Or open the emoji picker with Windows key + period.
On Mac
Press Control + Command + Space to open Character Viewer and search for the character.
On Linux
Press Control + Shift + U, type 1d55f, then press Enter or Space.
Anywhere
Copy π with the button above and paste it wherever you need it β this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Mathematical Double-struck Small N symbol mean?
π (Unicode U+1D55F) is the βMathematical Double-Struck Small Nβ character. In math typography, double-struck letters are commonly used to signal a special meaning compared to ordinary Latin letters. Depending on the author and context, π may represent a specific set (often discussed alongside other number-set symbols) or a variable/notation where distinguishing font style is important. When writing equations, using the correct Unicode character can improve consistency with published math and avoid ambiguity that occurs when regular βnβ is used.
What is the Unicode code point for π?
π is U+1D55F (Mathematical Double-Struck Small N).
How do I write π in HTML?
Use the HTML entity: 𝕟
How do I use π in CSS?
You can escape it as: \\1D55F
Is π different from a regular lowercase n?
Yes. π is a distinct Unicode math character with a double-struck style, which helps it convey different notation or reduce ambiguity.