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, and is considered unlucky in many East Asian cultures. Sculpted date "1481" in the Convent church of Maria Steinach in Algund, South Tirol, Italy. The upward loop signifies the number 4.
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.
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something representing, represented by, or consisting of four units, such as a playing card with four symbols on it
Describing a set or group with four elements. four (countable and uncountable, plural fours) (countable) The digit or figure 4; an occurrence thereof. (countable) Anything measuring four units, as length. Do you have any more fours? I want to make this a little taller.
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