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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.
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 ...
number. 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)
20. Look up twenty in Wiktionary, the free dictionary. Twenty or 20 may refer to: 20 (number), the natural number following 19 and preceding 21. one of the years 20 BC, AD 20, 1920, 2020.
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.
5 days ago · The factors of 20 are all the positive and negative integers which give you the result as number 20 when you multiply two numbers together. The factor pairs of 20 are the whole numbers that can be either positive or negative but cannot be a fraction or a decimal number.
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.
Multiplication tables 2 to 20 include the multiples of all the whole numbers 2 to 20. Memorising Maths tables 2 to 20 will help students to solve mathematical problems quickly. Learn more at BYJU’S.
Jul 22, 2024 · Number 20 is very special in Mathematical numbers. It is an even number and has 5 factors. Number 20 is a pronic number and a sum of two tens. Like a binary number system based on 2 and a decimal number system based on 10, there is also a number system based on 20 called as the vigesimal or base-20 number system. 2.
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
