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Created page with "== Introduction == The number four (4) is a natural number that follows the number three and precedes the number five. It is an integer that is considered even, as it is divisible by two without leaving a remainder. The number four is significant in various fields, including mathematics, science, culture, and religion. thumb|center|A close-up of the number 4 written on a whiteboard.|class=only_on_mobile Image:Detail-36004.jpg|thu..."