Is 1004221 a prime number?

1 004 221 is an odd number, because it is not evenly divisible by 2.

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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 1 004 221 is about 1 002.108.

Thus, the square root of 1 004 221 is not an integer, and therefore 1 004 221 is not a square number.

Anyway, 1 004 221 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 1 004 221) is the result of the product of this number (1 004 221) by itself (i.e., 1 004 221 × 1 004 221); the square of 1 004 221 is sometimes called "raising 1 004 221 to the power 2", or "1 004 221 squared".

The square of 1 004 221 is 1 008 459 816 841 because 1 004 221 × 1 004 221 = 1 004 221² = 1 008 459 816 841.

As a consequence, 1 004 221 is the square root of 1 008 459 816 841.

1 004 221 is a number with 7 digits.

The multiples of 1 004 221 are all integers evenly divisible by 1 004 221, that is all numbers such that the remainder of the division by 1 004 221 is zero. There are infinitely many multiples of 1 004 221. The smallest multiples of 1 004 221 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 004 221 too, since 0 × 1 004 221 = 0
• 1 004 221: indeed, 1 004 221 is a multiple of itself, since 1 004 221 is evenly divisible by 1 004 221 (we have 1 004 221 / 1 004 221 = 1, so the remainder of this division is indeed zero)
• 2 008 442: indeed, 2 008 442 = 1 004 221 × 2
• 3 012 663: indeed, 3 012 663 = 1 004 221 × 3
• 4 016 884: indeed, 4 016 884 = 1 004 221 × 4
• 5 021 105: indeed, 5 021 105 = 1 004 221 × 5
• etc.

• Preceding numbers: …1 004 219, 1 004 220
• Following numbers: 1 004 222, 1 004 223…

Nearest numbers from 1 004 221

• Preceding prime number: 1 004 209
• Following prime number: 1 004 233

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• 1 004 221 est-il un nombre premier ?