Is 402001 a prime number?

402 001 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 402 001 is about 634.035.

Thus, the square root of 402 001 is not an integer, and therefore 402 001 is not a square number.

The square of a number (here 402 001) is the result of the product of this number (402 001) by itself (i.e., 402 001 × 402 001); the square of 402 001 is sometimes called "raising 402 001 to the power 2", or "402 001 squared".

The square of 402 001 is 161 604 804 001 because 402 001 × 402 001 = 402 001² = 161 604 804 001.

As a consequence, 402 001 is the square root of 161 604 804 001.

402 001 is a number with 6 digits.

The multiples of 402 001 are all integers evenly divisible by 402 001, that is all numbers such that the remainder of the division by 402 001 is zero. There are infinitely many multiples of 402 001. The smallest multiples of 402 001 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 402 001 too, since 0 × 402 001 = 0
• 402 001: indeed, 402 001 is a multiple of itself, since 402 001 is evenly divisible by 402 001 (we have 402 001 / 402 001 = 1, so the remainder of this division is indeed zero)
• 804 002: indeed, 804 002 = 402 001 × 2
• 1 206 003: indeed, 1 206 003 = 402 001 × 3
• 1 608 004: indeed, 1 608 004 = 402 001 × 4
• 2 010 005: indeed, 2 010 005 = 402 001 × 5
• etc.

• Preceding numbers: …401 999, 402 000
• Following numbers: 402 002, 402 003…

Nearest numbers from 402 001

• Preceding prime number: 401 993
• Following prime number: 402 023