20 (number) - Wikipedia
网页[5] 20 is the length of a side of the fifth smallest right triangle that forms a primitive Pythagorean triple (20, 21, 29). [6] [a] It is the third tetrahedral number. [7] In combinatorics, 20 is the number of distinct combinations of 6 items taken 3 at a time.
Watch 20/20 TV Show - ABC.com
网页Watch the official 20/20 online at ABC.com. Get exclusive videos, blogs, photos, cast bios, free episodes.
Twenty Terrific Facts About The Number 20 - The Fact Site
网页2023年9月28日 · 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.
United States twenty-dollar bill - Wikipedia
网页The United States twenty-dollar bill (US$20) is a denomination of U.S. currency. A portrait of Andrew Jackson, the seventh U.S. president (1829–1837), has been featured on the obverse of the bill since 1928; the White House is featured on the reverse.
20/20 (TV Series 1978– ) - IMDb
网页20/20: Created by Roone Arledge. With David Muir, Amy Robach, Elizabeth Vargas, Deborah Roberts. ABC's original hour-long news magazine.
About 20/20 TV Show Series - ABC.com
网页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.
20 Definition & Meaning - Merriam-Webster
网页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
20/20 Full Episodes | Watch the Latest Online - ABC.com
网页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.
Factors of 20 | How to Find the Prime Factors of 20 by Prime ...
网页What are the factors of 20? Get the list of factors of 20 and the pair factors and prime factors of 20 using the prime factorization method and many solved examples.
20 (number) - Simple English Wikipedia, the free encyclopedia
网页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.