It isa natural number
an integer
a rational number
a real number
a complex number
It is also the multiplicative identity of each of the above sets of numbers.
a prime number. a prime number is just one and it's self
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It is an irrational number.
2.25 is a rational number
It is a rational number and also a real number.
A prime number.
a square number
It is: 1,000,000 = one million which is an even, a composite and a rational number
"One Billion" is a ten-digit number containing the number One followed by nine Zeros. It is written as 1,000,000,000.
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a prime number. a prime number is just one and it's self
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The number of one type of spies in one area.
protons and electrons
Type your answer here... the answer is fearless
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!7 is a Prime number because it has only two factors which are itself and one