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pi

Sixteenth letter of the Greek alphabet

Also known as π · Π

Instance of: Greek letter
Part of: Greek alphabet
, archaic Greek alphabets

Overview

From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0

Pi is the sixteenth letter of the Greek alphabet, representing the voiceless bilabial plosive IPA: [p]. In the system of Greek numerals it has a value of 80. It was derived from the Phoenician letter Pe (𐤐). Letters that arose from pi include Latin P, Cyrillic Pe, Coptic pi, and Gothic pairthra (𐍀).

Overview

All data

29 statements · 7% with external sources · numbers in brackets are citations

Unicode character: Π unicode code point: 03A0 · applies to part: uppercase · tex string: \Pi
π unicode code point: 03C0 · applies to part: lowercase · tex string: \pi
ϖ unicode code point: 03D6 · applies to part: lowercase · tex string: \varpi
Follows: Ο/ο
Followed by: Ρ
Ϻ/ϻ applies to part: archaic Greek alphabets
Based on: 𐤐
Different from: Pi criterion used: descriptive page and disambiguation page have to be in different items · applies to name of subject: Pi
Pī criterion used: descriptive page and disambiguation page have to be in different items · applies to name of subject: Pī
兀
Symbolizes: pi applies to part: lowercase letter
Members / parts: Π
π
Copyright status: public domain applies to jurisdiction: United States

On other databases

13 identifiers linking pi across the web's reference databases

Data quality

statements

externally sourced

Source last edited September 12, 2026. AIDB refreshes this page daily.

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AIDB. (2026). pi (Q168). Retrieved from https://aidb.si/e/pi-Q168