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  1. 4 - Wikipedia

    In internet slang, "4" can replace the word "for" (as "four" and "for" are pronounced similarly). For example, messaging "4 u" instead of "for you" when talking to someone.

  2. 4 Definition & Meaning - Merriam-Webster

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

  3. FOUR definition in American English | Collins English Dictionary

    7 senses: 1. the cardinal number that is the sum of three and one 2. a numeral, 4, IV, etc, representing this number 3..... Click for more definitions.

  4. four - Definition, pictures, pronunciation and usage notes | Oxford ...

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

  5. 4 (number) - New World Encyclopedia

    Four is the second square number (a "square number" is an integer that can be written as the square of some other integer) and the second centered triangular number.

  6. About The Number 4 - Numeraly

    Discover the fascinating world of the number 4! Explore its meanings, facts, religious significance, angel number interpretations, and its role in arts and literature.

  7. FOUR | definition in the Cambridge English Dictionary

    FOUR meaning: 1. the number 4: 2. a team of four people in rowing, or the boat that they use 3. in cricket, four…. Learn more.

  8. Number 4 - Curious Math Facts and Interesting Properties

    Feb 5, 2026 · Explore the hidden properties of 4, an even semiprime number composed of a single prime number multiplied by itself. Includes Prime Factorization, Divisors, Bases and Fun Facts for …

  9. 8 Fun Facts About the Number 4 - Facts.net

    Oct 19, 2023 · In physics, the four fundamental forces of nature are gravity, electromagnetism, strong nuclear force, and weak nuclear force. The number 4 holds great significance in many ancient …

  10. 4 -- from Wolfram MathWorld

    2 days ago · The smallest positive composite number and the first even perfect square. Four is the smallest even number appearing in a Pythagorean triple: 3, 4, 5. In the numerology of the …