It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 27 138 027 is not a prime number.
For example, 27 138 027 can be divided by 3: 27 138 027 / 3 = 9 046 009.
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For 27 138 027 to be a prime number, it would have been required that 27 138 027 has only two divisors, i.e., itself and 1.
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27 138 027 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 27 138 027 is about 5 209.417.
Thus, the square root of 27 138 027 is not an integer, and therefore 27 138 027 is not a square number.
The square of a number (here 27 138 027) is the result of the product of this number (27 138 027) by itself (i.e., 27 138 027 × 27 138 027); the square of 27 138 027 is sometimes called "raising 27 138 027 to the power 2", or "27 138 027 squared".
The square of 27 138 027 is 736 472 509 452 729 because 27 138 027 × 27 138 027 = 27 138 0272 = 736 472 509 452 729.
As a consequence, 27 138 027 is the square root of 736 472 509 452 729.
27 138 027 is a number with 8 digits.
The multiples of 27 138 027 are all integers evenly divisible by 27 138 027, that is all numbers such that the remainder of the division by 27 138 027 is zero. There are infinitely many multiples of 27 138 027. The smallest multiples of 27 138 027 are: