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  1. 4 - Wikipedia

    Approximately four weeks (4 times 7 days) to a lunar month (synodic month = 29.54 days). Thus the number four is universally an integral part of primitive sacred calendars.

  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. FOUR Definition & Meaning - Merriam-Webster

    a : a 4-oared racing shell or its crew b : a 4-cylinder engine or automobile four adjective four pronoun, plural in construction

  4. 4 (number) - New World Encyclopedia

    Some buildings skip floor 4 or replace the number with the letter "F," particularly in heavily Asian areas. In the NATO phonetic alphabet, the digit 4 is called "fower."

  5. 4 (number) - Simple English Wikipedia, the free encyclopedia

    4 (number) ... Mathematics 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 …

  6. 4 (disambiguation) - Wikipedia

    Look up four in Wiktionary, the free dictionary. 4 is a number, numeral, and digit. 4 or four may also refer to:

  7. 4 Factorial - getcalc.com

    In the scientific analysis or real world experiments, 4! is used to find the total number of possible results or outcomes in the experiment having 4 objects, numbers, letters, words or symbols.

  8. 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.

  9. 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 …

  10. 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.