Copy and paste the natural numbers ℕ with one click
Last reviewed on October 31, 2026
ℕ is a double-struck N standing for natural numbers, 1, 2, 3 and so on, with some textbooks starting at 0. Conventions differ, so check the source. You will see n ∈ ℕ in induction proofs and counting arguments.
Its official Unicode name is Double-Struck Capital N. Browse the Mathematical Symbols page for related characters.
Type 2115 then press Alt+X in Word; in other apps, copy ℕ from this page and paste it. It has no classic Alt code. You can also copy ℕ straight from this page.
Press Ctrl+Cmd+Space to open the Character Viewer, then search for the symbol by name.
It is Unicode code point U+2115, named Double-Struck Capital N. In HTML, use ℕ.