It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 165 240 001 is not a prime number.
For example, 165 240 001 can be divided by 5 273: 165 240 001 / 5273 = 31 337.
For 165 240 001 to be a prime number, it would have been required that 165 240 001 has only two divisors, i.e., itself and 1.
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165 240 001 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 165 240 001 is about 12 854.571.
Thus, the square root of 165 240 001 is not an integer, and therefore 165 240 001 is not a square number.
The square of a number (here 165 240 001) is the result of the product of this number (165 240 001) by itself (i.e., 165 240 001 × 165 240 001); the square of 165 240 001 is sometimes called "raising 165 240 001 to the power 2", or "165 240 001 squared".
The square of 165 240 001 is 27 304 257 930 480 000 because 165 240 001 × 165 240 001 = 165 240 0012 = 27 304 257 930 480 000.
As a consequence, 165 240 001 is the square root of 27 304 257 930 480 000.
165 240 001 is a number with 9 digits.
The multiples of 165 240 001 are all integers evenly divisible by 165 240 001, that is all numbers such that the remainder of the division by 165 240 001 is zero. There are infinitely many multiples of 165 240 001. The smallest multiples of 165 240 001 are: