Is 61801 a prime number?

61 801 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 61 801 is about 248.598.

Thus, the square root of 61 801 is not an integer, and therefore 61 801 is not a square number.

The square of a number (here 61 801) is the result of the product of this number (61 801) by itself (i.e., 61 801 × 61 801); the square of 61 801 is sometimes called "raising 61 801 to the power 2", or "61 801 squared".

The square of 61 801 is 3 819 363 601 because 61 801 × 61 801 = 61 801² = 3 819 363 601.

As a consequence, 61 801 is the square root of 3 819 363 601.

61 801 is a number with 5 digits.

The multiples of 61 801 are all integers evenly divisible by 61 801, that is all numbers such that the remainder of the division by 61 801 is zero. There are infinitely many multiples of 61 801. The smallest multiples of 61 801 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 61 801 too, since 0 × 61 801 = 0
• 61 801: indeed, 61 801 is a multiple of itself, since 61 801 is evenly divisible by 61 801 (we have 61 801 / 61 801 = 1, so the remainder of this division is indeed zero)
• 123 602: indeed, 123 602 = 61 801 × 2
• 185 403: indeed, 185 403 = 61 801 × 3
• 247 204: indeed, 247 204 = 61 801 × 4
• 309 005: indeed, 309 005 = 61 801 × 5
• etc.

• Preceding numbers: …61 799, 61 800
• Following numbers: 61 802, 61 803…

Nearest numbers from 61 801

• Preceding prime number: 61 781
• Following prime number: 61 813

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• 61 801 est-il un nombre premier ?