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Numbers
Numbers are our way to quantify, label, and organize the world around us in a logical manner. However, the systems used to obtain this goal differ geographically, historically, and by relative utility. All questions pertaining to numbers, including historic labeling systems, bases of numerical systems, constants, and the various ways they're grouped together, should be placed into this category.
46,867 Questions
What is number-and-word notation for 400436500500?
400,436,500,500 / four hundred billion four hundred thirty-six million five hundred thousand five hundred.
What number has factors that include twenty five and a two digit prime number?
275, among many others.
Is 0 an even number and Why is it an even number?
We need to refer to the mathematical definition of the word "even."
The most commonly accepted definition is that a number "a" is even if there exists an integer "n" which makes the following statement true:
a = 2 x n
0 is an integer. So let n = 0 in the above equation and we get:
0 = 2 x 0
So 0 satisfies the mathematical definition for being even.
Please refer to the article in the "related links" section for a discussion about the misconceptions about zero and why people mistakenly think it is not an even number.
they are all stupid
What are the prime numbers less than 150?
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 103 107 109 113 127 131 137 139 149.
When you have a positive an a negative number do you get a negative number?
It depends. Say you add -1 with 1, you will get 0. If you add -3 to 1, you will get -2. And if you add -1 to 3, you will get 2. It is all about which one is the greater number.
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