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20 is the length of a side of the fifth smallest right triangle that forms a primitive Pythagorean triple (20, 21, 29). It is the third tetrahedral number. In combinatorics, 20 is the number of distinct combinations of 6 items taken 3 at a time.
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Oct 19, 2023 · Free online math calculator to add, subtract, multiply and divide positive and negative numbers. Online decimal calculator to find sum, difference and products of numbers.
Sep 28, 2023 · Number 20 plays a huge part in numerology, society, games and much more - that's why we've put together twenty awesome facts all about this special number.
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20 (twenty) is the number that is after nineteen and before twenty-one. The prime factors of twenty are 2 and 5. (2 * 2 * 5 = 20) Its factors are: 1, 2, 4, 5, 10, and 20. As the sum of its factors is more than itself (i.e. 22), it can be referred to as an abundant number. 20 can been used as a number base. Remnants of this system remain in some ...
a number equal to two times 10; the numbers 20 to 29; specifically : the years 20 to 29 in a lifetime or century; a 20-dollar bill… See the full definition
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20/20 full episode guide offers a synopsis for every episode in case you missed a show. Browse the list of episode titles to find summary recap you need to get caught up. Visit The official 20/20 online at ABC.com. Get exclusive videos, blogs, photos, cast bios, free episodes and more.
A proven leader as a long-form newsmagazine for over 40 years, "20/20" features unforgettable, character-driven true crime mysteries, exclusive newsmaker interviews, hard-hitting investigative reports and in-depth coverage of high profile stories.
