The definition of the number 4 is a cardinal number that comes after three and before five. It is an even whole number, meaning it can be divided by two with no remainder. In mathematics, four has many uses and properties that make it unique from other numbers in its category. Four can represent stability when used in geometry to create squares or rectangles due to its ability to form right angles with equal sides. This makes it popular for use in architecture as well as engineering design projects since these shapes are strong and reliable structures which provide support for larger buildings or objects such as bridges or towers.… Read More

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