Is 421016 a prime number?

421 016 is an even number, because it is evenly divisible by 2: 421 016 / 2 = 210 508.

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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 421 016 is about 648.857.

Thus, the square root of 421 016 is not an integer, and therefore 421 016 is not a square number.

The square of a number (here 421 016) is the result of the product of this number (421 016) by itself (i.e., 421 016 × 421 016); the square of 421 016 is sometimes called "raising 421 016 to the power 2", or "421 016 squared".

The square of 421 016 is 177 254 472 256 because 421 016 × 421 016 = 421 016² = 177 254 472 256.

As a consequence, 421 016 is the square root of 177 254 472 256.

421 016 is a number with 6 digits.

The multiples of 421 016 are all integers evenly divisible by 421 016, that is all numbers such that the remainder of the division by 421 016 is zero. There are infinitely many multiples of 421 016. The smallest multiples of 421 016 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 421 016 too, since 0 × 421 016 = 0
• 421 016: indeed, 421 016 is a multiple of itself, since 421 016 is evenly divisible by 421 016 (we have 421 016 / 421 016 = 1, so the remainder of this division is indeed zero)
• 842 032: indeed, 842 032 = 421 016 × 2
• 1 263 048: indeed, 1 263 048 = 421 016 × 3
• 1 684 064: indeed, 1 684 064 = 421 016 × 4
• 2 105 080: indeed, 2 105 080 = 421 016 × 5
• etc.

• Preceding numbers: …421 014, 421 015
• Following numbers: 421 017, 421 018…

Nearest numbers from 421 016

• Preceding prime number: 421 009
• Following prime number: 421 019

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• 421 016 est-il un nombre premier ?