- 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
- Watch 20 20 TV Show - ABC. com
Watch the official 20 20 online at ABC com Get exclusive videos, blogs, photos, cast bios, free episodes
- 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
- 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
- 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
- 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!
- 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
- 20 (Number)
Properties of 20: prime decomposition, primality test, divisors, arithmetic properties, and conversion in binary, octal, hexadecimal, etc
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