It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 13 949 is not a prime number.
For example, 13 949 can be divided by 13: 13 949 / 13 = 1 073.
For 13 949 to be a prime number, it would have been required that 13 949 has only two divisors, i.e., itself and 1.
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13 949 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 13 949 is about 118.106.
Thus, the square root of 13 949 is not an integer, and therefore 13 949 is not a square number.
The square of a number (here 13 949) is the result of the product of this number (13 949) by itself (i.e., 13 949 × 13 949); the square of 13 949 is sometimes called "raising 13 949 to the power 2", or "13 949 squared".
The square of 13 949 is 194 574 601 because 13 949 × 13 949 = 13 9492 = 194 574 601.
As a consequence, 13 949 is the square root of 194 574 601.
The multiples of 13 949 are all integers evenly divisible by 13 949, that is all numbers such that the remainder of the division by 13 949 is zero. There are infinitely many multiples of 13 949. The smallest multiples of 13 949 are: