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20 is a natural number with various mathematical, geometric, scientific and cultural significance. Learn about its factorization, tessellations, polyhedra, sporadic groups, Rubik's cube, vision, sports and more.
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Learn how to find the factors of 20 using different methods, such as factorization, division and prime factorization. See the positive and negative pair factors of 20, and the common factors of 20 with other numbers.
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- The factors of 20 are 1, 2, 4, 5, 10 and 20.
- The prime factorization of 20 is 2 × 2 × 5 or 2 2 × 5.
- The positive pair factors of 20 are (1, 20), (2, 10) and (4, 5).
- The negative pair factors of 20 are (-1, -20), (-2, -10) and (-4, -5).
- Yes, 5 is a factor of 20. If 5 divides 20, it leaves the remainder 0, and hence 5 is a factor of 20.
Learn how to write 20 in words as Twenty using the place value chart. Find out the rules, properties and examples of writing and spelling 20 in words.
Learn about the properties, factors, and uses of the number 20 in different systems and languages. Find out why 20 is an abundant number, a base 20 system, and a polyhedron.
Learn the definition, pronunciation and usage of the number 20 in English. See examples, synonyms, translations and related words for twenty.
5 days ago · Number 20 is a pronic number as it is the multiplication of two consecutive numbers, i.e., 4 and 5. 20 = 4 x 5. Number 20 is the sum of four consecutive even numbers, i.e., 20 = 2 + 4 + 6 + 8. In Geometry, the figure which has 20 sides is called an icosagon or 20-gon. Also, an icosahedron has 20 faces and a dodecahedron has 20 vertices.
