Is 400013 a prime number?

400 013 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 400 013 is about 632.466.

Thus, the square root of 400 013 is not an integer, and therefore 400 013 is not a square number.

The square of a number (here 400 013) is the result of the product of this number (400 013) by itself (i.e., 400 013 × 400 013); the square of 400 013 is sometimes called "raising 400 013 to the power 2", or "400 013 squared".

The square of 400 013 is 160 010 400 169 because 400 013 × 400 013 = 400 013² = 160 010 400 169.

As a consequence, 400 013 is the square root of 160 010 400 169.

400 013 is a number with 6 digits.

The multiples of 400 013 are all integers evenly divisible by 400 013, that is all numbers such that the remainder of the division by 400 013 is zero. There are infinitely many multiples of 400 013. The smallest multiples of 400 013 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 400 013 too, since 0 × 400 013 = 0
• 400 013: indeed, 400 013 is a multiple of itself, since 400 013 is evenly divisible by 400 013 (we have 400 013 / 400 013 = 1, so the remainder of this division is indeed zero)
• 800 026: indeed, 800 026 = 400 013 × 2
• 1 200 039: indeed, 1 200 039 = 400 013 × 3
• 1 600 052: indeed, 1 600 052 = 400 013 × 4
• 2 000 065: indeed, 2 000 065 = 400 013 × 5
• etc.

• Preceding numbers: …400 011, 400 012
• Following numbers: 400 014, 400 015…

Nearest numbers from 400 013

• Preceding prime number: 400 009
• Following prime number: 400 031

• Is 0 a prime number?
• Is 1 a prime number?
• Is 2 a prime number?
• Is 2024 a prime number?
• Is 2025 a prime number?
• Is 3688 a prime number?

• Five thousand prime numbers

• Contact

• 400 013 est-il un nombre premier ?