It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 401 136 201 is not a prime number.
For example, 401 136 201 can be divided by 3: 401 136 201 / 3 = 133 712 067.
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For 401 136 201 to be a prime number, it would have been required that 401 136 201 has only two divisors, i.e., itself and 1.
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401 136 201 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 401 136 201 is about 20 028.385.
Thus, the square root of 401 136 201 is not an integer, and therefore 401 136 201 is not a square number.
The square of a number (here 401 136 201) is the result of the product of this number (401 136 201) by itself (i.e., 401 136 201 × 401 136 201); the square of 401 136 201 is sometimes called "raising 401 136 201 to the power 2", or "401 136 201 squared".
The square of 401 136 201 is 160 910 251 752 712 416 because 401 136 201 × 401 136 201 = 401 136 2012 = 160 910 251 752 712 416.
As a consequence, 401 136 201 is the square root of 160 910 251 752 712 416.
401 136 201 is a number with 9 digits.
The multiples of 401 136 201 are all integers evenly divisible by 401 136 201, that is all numbers such that the remainder of the division by 401 136 201 is zero. There are infinitely many multiples of 401 136 201. The smallest multiples of 401 136 201 are: