Is 90009 a prime number?

90 009 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 90 009 is about 300.015.

Thus, the square root of 90 009 is not an integer, and therefore 90 009 is not a square number.

The square of a number (here 90 009) is the result of the product of this number (90 009) by itself (i.e., 90 009 × 90 009); the square of 90 009 is sometimes called "raising 90 009 to the power 2", or "90 009 squared".

The square of 90 009 is 8 101 620 081 because 90 009 × 90 009 = 90 009² = 8 101 620 081.

As a consequence, 90 009 is the square root of 8 101 620 081.

90 009 is a number with 5 digits.

The multiples of 90 009 are all integers evenly divisible by 90 009, that is all numbers such that the remainder of the division by 90 009 is zero. There are infinitely many multiples of 90 009. The smallest multiples of 90 009 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 90 009 too, since 0 × 90 009 = 0
• 90 009: indeed, 90 009 is a multiple of itself, since 90 009 is evenly divisible by 90 009 (we have 90 009 / 90 009 = 1, so the remainder of this division is indeed zero)
• 180 018: indeed, 180 018 = 90 009 × 2
• 270 027: indeed, 270 027 = 90 009 × 3
• 360 036: indeed, 360 036 = 90 009 × 4
• 450 045: indeed, 450 045 = 90 009 × 5
• etc.

• Preceding numbers: …90 007, 90 008
• Following numbers: 90 010, 90 011…

Nearest numbers from 90 009

• Preceding prime number: 90 007
• Following prime number: 90 011

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• 90 009 est-il un nombre premier ?