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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.

  2. 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.

  3. 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).

  4. 21 Fun Facts About The Number 3 That Will Surprise You

    Feb 4, 2023 · Have you ever wondered why the number 3 appears so frequently in various cultures, stories, and systems? From its deep spiritual significance to its prominent presence in science, the …

  5. Number 3 Meaning of the Number 3 - Fun Facts

    Significance and Meaning of number 3. Number Symbolism. Fun facts about the number three. Number 3 in superstition.

  6. 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.

  7. Number 3 - Curious Math Facts and Interesting Properties

    Feb 5, 2026 · Explore the hidden properties of 3, an odd prime number. Includes Prime Factorization, Divisors, Bases and Fun Facts for students, number lovers and curious minds.

  8. 3 - Wiktionary, the free dictionary

    Mar 29, 2026 · 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 …

  9. 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,...

  10. 3 -- from Wolfram MathWorld

    3 days ago · 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).