It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 13 006 209 is not a prime number.
For example, 13 006 209 can be divided by 3: 13 006 209 / 3 = 4 335 403.
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For 13 006 209 to be a prime number, it would have been required that 13 006 209 has only two divisors, i.e., itself and 1.
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13 006 209 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 13 006 209 is about 3 606.412.
Thus, the square root of 13 006 209 is not an integer, and therefore 13 006 209 is not a square number.
The square of a number (here 13 006 209) is the result of the product of this number (13 006 209) by itself (i.e., 13 006 209 × 13 006 209); the square of 13 006 209 is sometimes called "raising 13 006 209 to the power 2", or "13 006 209 squared".
The square of 13 006 209 is 169 161 472 551 681 because 13 006 209 × 13 006 209 = 13 006 2092 = 169 161 472 551 681.
As a consequence, 13 006 209 is the square root of 169 161 472 551 681.
13 006 209 is a number with 8 digits.
The multiples of 13 006 209 are all integers evenly divisible by 13 006 209, that is all numbers such that the remainder of the division by 13 006 209 is zero. There are infinitely many multiples of 13 006 209. The smallest multiples of 13 006 209 are: