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.

Learn to recognize and understand Number 4. Learn to count up to and down from four. Created by teachers, learn how to show 4 in a ten frame. Learn to draw 4...

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 people have four fingers on each hand and four toes on each foot. [source?] Four squared is 16, and four doubled is 8.

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

4 (four) is a number, numeral, and glyph that represents the number. It is the natural number [1] that follows 3 and precedes 5. It is an integer and a cardinal number, that is, a number that is used for counting. [2] . In addition, it is classified as a real number, [3] distinguishing it from imaginary numbers.

2025年3月21日 · 4 (prev 3, next 5) The cardinal number four. A digit in the decimal system of numbering, and also in octal, and hexadecimal. (phonetics, often superscript) The pitch of a tone, either high or low depending on local convention (though …

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, quatern, four, quaternion, quaternity, tetrad,...

Number 4 is the number of the square. Number 4 symbolizes building a strong foundation. There are four cardinal points: North – South – East – West. There are four winds. There are four phases of the moon. There are four seasons. In the West we have four elements: earth – air – fire – water. Number 4 – A Perfect Number

4 is a number, numeral, and digit. 4 or four may also refer to: Number Four (Battlestar Galactica), or Simon, is a Cylon model in the re-imagined Battlestar Galactica series. Four! (Hampton Hawes album), 1958.