Is 38821 a prime number?

38 821 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 38 821 is about 197.030.

Thus, the square root of 38 821 is not an integer, and therefore 38 821 is not a square number.

Anyway, 38 821 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 38 821) is the result of the product of this number (38 821) by itself (i.e., 38 821 × 38 821); the square of 38 821 is sometimes called "raising 38 821 to the power 2", or "38 821 squared".

The square of 38 821 is 1 507 070 041 because 38 821 × 38 821 = 38 821² = 1 507 070 041.

As a consequence, 38 821 is the square root of 1 507 070 041.

38 821 is a number with 5 digits.

The multiples of 38 821 are all integers evenly divisible by 38 821, that is all numbers such that the remainder of the division by 38 821 is zero. There are infinitely many multiples of 38 821. The smallest multiples of 38 821 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 38 821 too, since 0 × 38 821 = 0
• 38 821: indeed, 38 821 is a multiple of itself, since 38 821 is evenly divisible by 38 821 (we have 38 821 / 38 821 = 1, so the remainder of this division is indeed zero)
• 77 642: indeed, 77 642 = 38 821 × 2
• 116 463: indeed, 116 463 = 38 821 × 3
• 155 284: indeed, 155 284 = 38 821 × 4
• 194 105: indeed, 194 105 = 38 821 × 5
• etc.

• Preceding numbers: …38 819, 38 820
• Following numbers: 38 822, 38 823…

Nearest numbers from 38 821

• Preceding prime number: 38 803
• Following prime number: 38 833

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• 38 821 est-il un nombre premier ?