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  1. 4 - Wikipedia

    4 ... 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 number, …

  2. 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.

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

    Learn to recognize and understand Number 4. Learn to count up to and down from four. Created by teachers, learn how to show 4 in a ten frame. Learn to draw 4...

  4. 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.

  5. 4 - Wiktionary, the free dictionary

    Dec 9, 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 cross (resembling …

  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 - 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 …

  8. 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.

  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 hand and …

  10. Math Calculator

    Step 1: Enter the expression you want to evaluate. The Math Calculator will evaluate your problem down to a final solution. You can also add, subtraction, multiply, and divide and complete any arithmetic …