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.

6 days ago · The number four is a fundamental concept, representing one more than three and the fourth in a series. Culturally, it is associated with order in the universe, seen in the four elements …

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 …

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.

Welcome to the About The Number 4 page, where we delve into the fascinating world of this unique and ubiquitous digit. As one of the most significant numbers in various fields such as mathematics, …

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 …

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

4 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 …

7 meanings: 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.

May 4, 2026 · 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 …