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  1. 3 - Wikipedia

    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] It has …

  2. THREE Definition & Meaning - Merriam-Webster

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

  3. 3 (number) - New World Encyclopedia

    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.

  4. The number three - Britannica

    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).

  5. 3 - Wiktionary, the free dictionary

    Dec 21, 2025 · 3 (plural 3s) (sports, skateboarding, snowboarding, skiing) Clipping of 360 (“360° spin”). Replaces the letter E / e in leetspeak.

  6. 3 - definition of 3 by The Free Dictionary

    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,...

  7. 3 -- from Wolfram MathWorld

    Dec 3, 2025 · 3 is the only integer which is the sum of the preceding positive integers (1+2=3) and the only number which is the sum of the factorials of the preceding positive integers (1!+2!=3).

  8. Properties of the number 3 - numberempire.com

    Properties of the number 3: factors, prime check, fibonacci check, bell number check, binary, octal, hexadecimal representations and more.

  9. 3 (number) Facts for Kids

    Many cultures around the world see the number three as important or special. The number three appears in many famous stories, beliefs, and traditions. Here are some examples: The Three …

  10. 10 Fun Facts About The Number 3 - The Fact Site

    Nov 3, 2020 · In both soccer and hockey, a hat-trick is when a player scores three goals. The atomic number of the chemical element lithium is three. In normal conditions, lithium takes on a silvery-white …