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.

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 : something having four units or members: such as a : a 4-oared racing shell or its crew b : a 4-cylinder engine or automobile four adjective

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."

Define 4. 4 synonyms, 4 pronunciation, 4 translation, English dictionary definition of 4. Noun 1. 4 - the cardinal number that is the sum of three and one IV, Little Joe, quadruplet, quartet, …

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

Oct 19, 2023 · The number 4 holds a special place in the world of mathematics, culture, and symbolism. From its significance in various ancient civilizations to its presence in everyday life, …

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 …

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 …

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