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.

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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.

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,...

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Educational video for children to learn number 3. The little ones will learn how to trace number 3, how to pronounce it and also how to count with a series of super fun examples.

Oct 14, 2025 · The <3 emoticon means love on social media. This cute symbol is most commonly used to discuss romantic relationships, friendships, or passions when texting, tweeting, or posting.

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