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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). [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.
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uk / ˈtwen.ti / us / ˈtwen.t̬i /. Add to word list. A1. the number 20: nineteen, twenty, twenty-one. space for twenty people. See also. score noun (TWENTY) Fewer examples.
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Jan 18, 2013 · Teach your child to count to twenty with this fun and beautiful animation set in a fairground. ...more. Buy song on Itunes: https://itunes.apple.com/gb/album/cou... Teach your child to count to...
Jun 12, 2024 · 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.
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.
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.
Factors of 20 are the numbers that divide 20 completely without leaving any remainder. 4 and 5 are the factors of 20, that is, 5 divides 20 into equal parts of 4 each. 20 does not have 4 and 5 as its only factors.
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
