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  1. 4 - Wikipedia

    Two modern handwritten fours 4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is a square number, the smallest semiprime and composite …

  2. Learn About the Number 4 | Number of the Day: 4 | Four with ...

    See the number 4 with objects that sometimes come to life for a fun surprise! This early math video works great as a "Number of the Day" lesson or as an exciting early math activity for …

  3. 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.

  4. FOUR Definition & Meaning - Merriam-Webster

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

  5. 8 Fun Facts About the Number 4 - Facts.net

    Oct 19, 2023 · Explore fascinating facts about the number 4. Discover its significance in various cultures, including its symbolism and representations in numerology, astrology, and mythology.

  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. Number 4 - Facts about the integer - Numbermatics

    Your guide to the number 4, an even composite number composed of a single prime multiplied by itself. Mathematical info, prime factorization, fun facts and numerical data for STEM, education …

  8. 4 - Wiktionary, the free dictionary

    Oct 31, 2025 · A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ४ (4)), a cursive form of four lines (to represent the number four) arranged in the shape of a …

  9. 4 (number) - Simple English Wikipedia, the free encyclopedia

    In mathematics, the number four is an even number and the smallest composite number. Four is also the second square number after one. A small minority of people have four fingers on each …

  10. 4 (disambiguation) - Wikipedia

    4 is a number, numeral, and digit. 4 or four may also refer to: Four! (Hampton Hawes album), 1958.