ℤ

Integers Symbol (ℤ)

Copy and paste the integers ℤ with one click

Unicode Character

ℤ

Unicode Hex

U+2124

HTML Entity

ℤ

Decimal Code

8484

About the Integers Symbol

Last reviewed on October 31, 2026

ℤ is a double-struck Z for the set of integers, all whole numbers positive, negative, and zero. The Z comes from the German word Zahlen. Notation like k ∈ ℤ says k is a whole number.

Its official Unicode name is Double-Struck Capital Z. Browse the Mathematical Symbols page for related characters.

How to Type Integers on a Keyboard

Windows: Type 2124 then press Alt+X in Word; in other apps, copy ℤ from this page and paste it. It has no classic Alt code

Mac: Press Ctrl+Cmd+Space to open the Character Viewer, then search for the symbol by name

Microsoft Word: Type 2124 then press Alt+X

Phone & tablet: Copying ℤ from this page is fastest — see our mobile typing guide

Integers Code for HTML, CSS & JavaScript

HTML: ℤ

CSS: content: '\2124';

JavaScript: '\u2124'

Unicode: U+2124

Frequently Asked Questions

How do I type integers ℤ on Windows?

Type 2124 then press Alt+X in Word; in other apps, copy ℤ from this page and paste it. It has no classic Alt code. You can also copy ℤ straight from this page.

How do I type ℤ on a Mac?

Press Ctrl+Cmd+Space to open the Character Viewer, then search for the symbol by name.

What is the Unicode and HTML code for integers?

It is Unicode code point U+2124, named Double-Struck Capital Z. In HTML, use ℤ.