Is 20131 a prime number?

20 131 is an odd number, because it is not evenly divisible by 2.

Find out more:

• What is an even number?

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 20 131 is about 141.884.

Thus, the square root of 20 131 is not an integer, and therefore 20 131 is not a square number.

The square of a number (here 20 131) is the result of the product of this number (20 131) by itself (i.e., 20 131 × 20 131); the square of 20 131 is sometimes called "raising 20 131 to the power 2", or "20 131 squared".

The square of 20 131 is 405 257 161 because 20 131 × 20 131 = 20 131² = 405 257 161.

As a consequence, 20 131 is the square root of 405 257 161.

20 131 is a number with 5 digits.

The multiples of 20 131 are all integers evenly divisible by 20 131, that is all numbers such that the remainder of the division by 20 131 is zero. There are infinitely many multiples of 20 131. The smallest multiples of 20 131 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 20 131 too, since 0 × 20 131 = 0
• 20 131: indeed, 20 131 is a multiple of itself, since 20 131 is evenly divisible by 20 131 (we have 20 131 / 20 131 = 1, so the remainder of this division is indeed zero)
• 40 262: indeed, 40 262 = 20 131 × 2
• 60 393: indeed, 60 393 = 20 131 × 3
• 80 524: indeed, 80 524 = 20 131 × 4
• 100 655: indeed, 100 655 = 20 131 × 5
• etc.

• Preceding numbers: …20 129, 20 130
• Following numbers: 20 132, 20 133…

Nearest numbers from 20 131

• Preceding prime number: 20 129
• Following prime number: 20 143