It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 729 013 789 is not a prime number.
For example, 729 013 789 can be divided by 7: 729 013 789 / 7 = 104 144 827.
For 729 013 789 to be a prime number, it would have been required that 729 013 789 has only two divisors, i.e., itself and 1.
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729 013 789 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 729 013 789 is about 27 000.255.
Thus, the square root of 729 013 789 is not an integer, and therefore 729 013 789 is not a square number.
The square of a number (here 729 013 789) is the result of the product of this number (729 013 789) by itself (i.e., 729 013 789 × 729 013 789); the square of 729 013 789 is sometimes called "raising 729 013 789 to the power 2", or "729 013 789 squared".
The square of 729 013 789 is 531 461 104 552 136 512 because 729 013 789 × 729 013 789 = 729 013 7892 = 531 461 104 552 136 512.
As a consequence, 729 013 789 is the square root of 531 461 104 552 136 512.
729 013 789 is a number with 9 digits.
The multiples of 729 013 789 are all integers evenly divisible by 729 013 789, that is all numbers such that the remainder of the division by 729 013 789 is zero. There are infinitely many multiples of 729 013 789. The smallest multiples of 729 013 789 are: