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wikipedia.org
https://en.wikipedia.org/wiki/2
2 - Wikipedia
2 (two) is a number, numeral and digit. It is the natural number following 1 and preceding 3. It is the smallest and the only even prime number. Because it forms the basis of a duality, it has religious and spiritual significance in many cultures. The number 2 is the second natural number, after 1.
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youtube.com
https://www.youtube.com/watch?v=D32JZKKgjJg
The Number 2 for kids - Learning to Count - Numbers from 1 to 10 - The ...
Educational video for children to learn number 2. The little ones will learn how to trace number 2, how to pronounce it and also how to count with a series of super fun examples. How many...
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newworldencyclopedia.org
https://www.newworldencyclopedia.org/entry/2_(numb…
2 (number) - New World Encyclopedia
The glyph currently used in the Western world to represent the number 2 traces its roots back to the Brahmin Indians, who wrote 2 as two horizontal lines. (It is still written that way in modern Chinese and Japanese.)
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wiktionary.org
https://en.wiktionary.org/wiki/2
2 - Wiktionary, the free dictionary
A West Arabic numeral, ultimately from Indic numerals (compare Devanagari २ (2)), from a cursive form of two lines to represent the number two. See 2 § Evolution for more.
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wikipedia.org
https://simple.wikipedia.org/wiki/2_(number)
2 (number) - Simple English Wikipedia, the free encyclopedia
2 (Two; / ˈtuː / (listen)) is a number, numeral, and glyph. It is the number after 1 (one), followed by 3 (three), then 4 (four). In Roman numerals, it is II.
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mathway.com
https://www.mathway.com/Calculator/math-calculator
Math Calculator
Enter the expression you want to evaluate. The Math Calculator will evaluate your problem down to a final solution. You can also add, subtraction, multiply, and divide and complete any arithmetic you need. Step 2: Click the blue arrow to submit and see your result!
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wolfram.com
https://mathworld.wolfram.com/2.html
2 -- from Wolfram MathWorld
The number two (2) is the second positive integer and the first prime number. It is even, and is the only even prime (the primes other than 2 are called the odd primes). The number 2 is also equal to its factorial since 2!=2. A quantity taken to the power 2 is said to be squared.
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numbermatics.com
https://numbermatics.com/n/2/
Number 2 - Facts about the integer - Numbermatics
Your guide to the number 2, the only even prime number. Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun.
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wumbo.net
https://wumbo.net/symbols/superscript-two/
Superscript Two Symbol (²)
The superscript two, ², is used in mathematics to denote the square of a number or variable. It also represents the second derivative in calculus when used as a notation for differentiation.
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symbolab.com
https://www.symbolab.com/solver?...
Step-by-Step Calculator - Symbolab
Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step