安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- 20 (number) - Wikipedia
20 is the third magic number in physics In some countries, the number 20 is used as an index in measuring visual acuity 20 20 indicates normal vision at 20 feet, although it is commonly used to mean "perfect vision" in countries using the Imperial system (The metric equivalent is 6 6 )
- 20 (number) - Simple English Wikipedia, the free encyclopedia
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, 30, 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
- 20 - definition of 20 by The Free Dictionary
Define 20 20 synonyms, 20 pronunciation, 20 translation, English dictionary definition of 20 Noun 1 20 - the cardinal number that is the sum of nineteen and one twenty, XX large integer - an integer equal to or greater than ten Adj 1
- 23 Fun Facts About the Number 20 You Probably Didn’t Know
In mathematics, 20 is a composite number, a tetrahedral number, and the product of the first two prime numbers The number 20 holds cultural and historical significance, such as being the legal age of adulthood in many countries In this article we will explore interesting and lesser-known fun facts about the number 20
- Number 20 facts
The meaning of the number 20: How is 20 spell, written in words, interesting facts, mathematics, computer science, numerology, codes Phone prefix +20 or 0020 20 in Roman Numerals and images
- 20 Definition Meaning - Merriam-Webster
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
- Number 20 - Facts about the integer - Numbermatics
Your guide to the number 20, an even composite number composed of two distinct primes Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun
|
|
|