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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. Evolution of the Hindu-Arabic digit. Two modern handwritten fours.
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.
Jan 17, 2017 · Multiply by 4's with this catchy tropical tune to help student's learn their 4 multiplication table in order. This song goes through each table 1 through 12 three times to give your children...
noun. ˈfȯr. 1. : a number that is one more than three see Table of Numbers. 2. : the fourth in a set or series. the four of hearts. 3. : something having four units or members: such as. a. : a 4-oared racing shell or its crew. b. : a 4-cylinder engine or automobile. four adjective. four pronoun, plural in construction.
The number 4 is the only digit in the English language that has the same number of letters as its numerical value. It is also the smallest composite number, as it is the product of two prime numbers, 2 and 2.
Your guide to the number 4, an even composite number composed of a single prime multiplied by itself. Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun.
The number of order in the universe is 4—the four elements of earth, air, fire, and water; the four seasons; the four points of the compass; the four phases of the Moon (new, half-moon waxing, full, half-moon waning).
