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.

Family and friends gathered early Saturday morning to search for a missing 19-year-old woman who was last seen near her home on Christmas Eve.

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

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.

Explore the curious properties of number 4, an even composite number composed of a single prime multiplied by itself. Includes mathematical info, prime factorization, divisors, bases and …

Created by teachers, learn how to show 4 in a ten frame. Learn to draw 4 tally marks. See the number 4 with objects that sometimes come to life for a fun surprise!

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 …