ℕ
Unicode
U+2115LaTeX
\mathbb{N}HTML entity
ℕHTML decimal
ℕMathML
<mi>ℕ</mi>Semantic identity and intent
Characters to distinguish
- ℤ — Integers
Use ℕ in the right format
Meaning and usage
The set of natural counting numbers; some conventions include zero and some do not.
State the convention when zero matters.
Pronunciation: natural numbers
Formula examples
n\in\mathbb{N}How to type Natural Numbers
- Windows
- Use Character Map or enter U+2115 in a Unicode-aware app.
- macOS
- Open Character Viewer with Control–Command–Space and search by name.
- Microsoft Word
- Type \mathbb{N} in an equation and press Space.
- iPhone and iPad
- Copy and paste ℕ, or use a math/LaTeX app. The standard iOS keyboard may not expose every mathematical symbol.
- Android
- Copy and paste ℕ, or use a math keyboard or LaTeX editor. Keyboard layouts vary by device and app.
- Google Docs
- For plain text, paste ℕ or use Insert → Special characters. For structured math, use the equation editor and verify \mathbb{N}.
- Excel
- Paste ℕ into a cell or use Insert → Symbol when available. Ordinary cells preserve the character but do not interpret LaTeX commands.
Common mistakes
- Do not reuse ℕ as an unrelated variable when it denotes Natural Numbers; define any nonstandard meaning explicitly.
- For plain text, copy ℕ as U+2115; for structured equations, use \mathbb{N} in math mode. A look-alike glyph or image can break search, accessibility, or parsing when the intended character is Natural Numbers.
When to use ℕ
- Use ℕ in plain text when a Unicode character is appropriate and the destination preserves U+2115.
- Use \mathbb{N} in an equation editor when mathematical spacing or structure matters.
- Define the local meaning when Natural Numbers is used in number sets with a field-specific convention.
Look-alikes and related characters
- ℤ — Integers
Font and compatibility notes
Font coverage varies; verify the code point and destination rendering before publication.
Continue the workflow
From Natural Numbers to a finished equation
- Copy the characterUse ℕ in plain text when Unicode is accepted.
- Choose a structured formatUse
\mathbb{N}for LaTeX or the MathML snippet for accessible web equations. - Edit or convertOpen the value in the editor or converter without retyping it.
Review and source notes
Quality tier: catalog
Last reviewed: 2026-07-23
Review method: Catalog review of character identity and notation mappings.
Verified against: Unicode Standard, Unicode mathematical notation guidance, and established LaTeX/MathML syntax.
Reference sources
- The Unicode StandardUnicode Consortium — Character identity, encoding, names, and conformance.
- Unicode Character Code ChartsUnicode Consortium — Code points and official character charts.
Frequently asked questions
What does the Natural Numbers symbol mean?
The set of natural counting numbers; some conventions include zero and some do not.
What is the LaTeX command for ℕ?
Use \mathbb{N} in a compatible math environment.
Can I copy ℕ as Unicode?
Yes. Use the copy button above to copy the Unicode character directly.