It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 146 729 is not a prime number.
For example, 146 729 can be divided by 11: 146 729 / 11 = 13 339.
For 146 729 to be a prime number, it would have been required that 146 729 has only two divisors, i.e., itself and 1.
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146 729 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 146 729 is about 383.052.
Thus, the square root of 146 729 is not an integer, and therefore 146 729 is not a square number.
The square of a number (here 146 729) is the result of the product of this number (146 729) by itself (i.e., 146 729 × 146 729); the square of 146 729 is sometimes called "raising 146 729 to the power 2", or "146 729 squared".
The square of 146 729 is 21 529 399 441 because 146 729 × 146 729 = 146 7292 = 21 529 399 441.
As a consequence, 146 729 is the square root of 21 529 399 441.
The multiples of 146 729 are all integers evenly divisible by 146 729, that is all numbers such that the remainder of the division by 146 729 is zero. There are infinitely many multiples of 146 729. The smallest multiples of 146 729 are: