It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 201 729 is not a prime number.
For example, 201 729 can be divided by 3: 201 729 / 3 = 67 243.
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For 201 729 to be a prime number, it would have been required that 201 729 has only two divisors, i.e., itself and 1.
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201 729 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 201 729 is about 449.143.
Thus, the square root of 201 729 is not an integer, and therefore 201 729 is not a square number.
The square of a number (here 201 729) is the result of the product of this number (201 729) by itself (i.e., 201 729 × 201 729); the square of 201 729 is sometimes called "raising 201 729 to the power 2", or "201 729 squared".
The square of 201 729 is 40 694 589 441 because 201 729 × 201 729 = 201 7292 = 40 694 589 441.
As a consequence, 201 729 is the square root of 40 694 589 441.
The multiples of 201 729 are all integers evenly divisible by 201 729, that is all numbers such that the remainder of the division by 201 729 is zero. There are infinitely many multiples of 201 729. The smallest multiples of 201 729 are: