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The number 0 represents nothing. The number zero was made because 'nothing' has to have a numerical value, just as 'something' does. The number 0 is just a representation of nothing.
There are none.Any number made by using the digits 0 to 9 once is divisible by 9 and so not a prime.There are none.Any number made by using the digits 0 to 9 once is divisible by 9 and so not a prime.There are none.Any number made by using the digits 0 to 9 once is divisible by 9 and so not a prime.There are none.Any number made by using the digits 0 to 9 once is divisible by 9 and so not a prime.
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An Arab that is called by his last name Algebra, also made Algebra