3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. [citation needed]

Definition of three number in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Three is the first odd prime number, and the second smallest prime. It is both the first Fermat prime (2 2º + 1) and the first Mersenne prime (2² - 1), as well as the first lucky prime.

The number 3 is a very mystical and spiritual number featured in many folktales (three wishes, three guesses, three little pigs, three bears, three billy goats gruff).

Three is an important number for many cultures (groups of people living together). It is also a prime number. It is the first odd prime. In Roman numerals, it is III. three gifts of the wise men (Magi) who …

:3 is an emoticon used to represent a Coy Smile. This page explains how :3 is used in texting or on apps like TikTok or Instagram.

The meaning of THREE is a number that is one more than 2. How to use three in a sentence.

Explore the hidden side of 3, an odd number and also a prime number. Includes Prime Factorization, Divisors, Bases and Much More! A fascinating math reference for students, coders, scientists, puzzle …

Dec 21, 2025 · A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ३ (3)), from a cursive form of three lines to represent the number three. See 3 § Evolution of the Arabic digit for …

Noun 1. 3 - the cardinal number that is the sum of one and one and one tercet, ternary, ternion, terzetto, three, threesome, trey, triad, trine, trinity,...