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wikipedia.org
https://en.wikipedia.org/wiki/20_(number)
20 (number) - Wikipedia
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.
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merriam-webster.com
https://www.merriam-webster.com/dictionary/20
20 Definition & Meaning - Merriam-Webster
Middle English, from twenty, adjective, from Old English twēntig, noun, group of 20, from twēn- (akin to Old English twā two) + -tig group of 10; akin to Old English tīen ten — more at two, ten
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thefactsite.com
https://www.thefactsite.com/number-20-facts/
Twenty Terrific Facts About The Number 20 - The Fact Site
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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number.academy
https://number.academy/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.
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definitions.net
https://www.definitions.net/definition/20
What does 20 mean? - Definitions for 20
In general, the number 20 represents quantity or value in mathematics, counting, measurements, and various other fields. 20 The number 20 is a positive integer that falls between 19 and 21. It is considered an even number because it can be evenly divided by 2. It is also represented in Roman numerals as XX.
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numeraly.com
https://numeraly.com/about-the-number-20/
About The Number 20 - Numeraly
Explore the fascinating world of the number 20! Uncover its meanings, significance in math, science, religion, angel numbers, arts, literature, and more. Dive into the magic of 20 now!
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thefreedictionary.com
https://www.thefreedictionary.com/20
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.
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metanumbers.com
https://metanumbers.com/20
20 (Number)
Properties of 20: prime decomposition, primality test, divisors, arithmetic properties, and conversion in binary, octal, hexadecimal, etc.
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numbermatics.com
https://numbermatics.com/n/20/
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.
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facts.net
https://facts.net/number-20-facts/
Number 20: Unveiling 20 Fascinating Facts About This Enigmatic Digit ...
In this article, we dive into the enigmatic world of the number 20, uncovering 20 captivating facts that shed light on its significance and allure. Join us on this numerical journey and explore the hidden depths of the number 20.