Is 221008 a prime number?

221 008 is an even number, because it is evenly divisible by 2: 221 008 / 2 = 110 504.

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• 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 221 008 is about 470.115.

Thus, the square root of 221 008 is not an integer, and therefore 221 008 is not a square number.

The square of a number (here 221 008) is the result of the product of this number (221 008) by itself (i.e., 221 008 × 221 008); the square of 221 008 is sometimes called "raising 221 008 to the power 2", or "221 008 squared".

The square of 221 008 is 48 844 536 064 because 221 008 × 221 008 = 221 008² = 48 844 536 064.

As a consequence, 221 008 is the square root of 48 844 536 064.

221 008 is a number with 6 digits.

The multiples of 221 008 are all integers evenly divisible by 221 008, that is all numbers such that the remainder of the division by 221 008 is zero. There are infinitely many multiples of 221 008. The smallest multiples of 221 008 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 221 008 too, since 0 × 221 008 = 0
• 221 008: indeed, 221 008 is a multiple of itself, since 221 008 is evenly divisible by 221 008 (we have 221 008 / 221 008 = 1, so the remainder of this division is indeed zero)
• 442 016: indeed, 442 016 = 221 008 × 2
• 663 024: indeed, 663 024 = 221 008 × 3
• 884 032: indeed, 884 032 = 221 008 × 4
• 1 105 040: indeed, 1 105 040 = 221 008 × 5
• etc.

• Preceding numbers: …221 006, 221 007
• Following numbers: 221 009, 221 010…

Nearest numbers from 221 008

• Preceding prime number: 220 973
• Following prime number: 221 021

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• 221 008 est-il un nombre premier ?