Is 1401 a prime number?

1 401 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 1 401 is about 37.430.

Thus, the square root of 1 401 is not an integer, and therefore 1 401 is not a square number.

The square of a number (here 1 401) is the result of the product of this number (1 401) by itself (i.e., 1 401 × 1 401); the square of 1 401 is sometimes called "raising 1 401 to the power 2", or "1 401 squared".

The square of 1 401 is 1 962 801 because 1 401 × 1 401 = 1 401² = 1 962 801.

As a consequence, 1 401 is the square root of 1 962 801.

1 401 is a number with 4 digits.

The multiples of 1 401 are all integers evenly divisible by 1 401, that is all numbers such that the remainder of the division by 1 401 is zero. There are infinitely many multiples of 1 401. The smallest multiples of 1 401 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 401 too, since 0 × 1 401 = 0
• 1 401: indeed, 1 401 is a multiple of itself, since 1 401 is evenly divisible by 1 401 (we have 1 401 / 1 401 = 1, so the remainder of this division is indeed zero)
• 2 802: indeed, 2 802 = 1 401 × 2
• 4 203: indeed, 4 203 = 1 401 × 3
• 5 604: indeed, 5 604 = 1 401 × 4
• 7 005: indeed, 7 005 = 1 401 × 5
• etc.

• Preceding numbers: …1 399, 1 400
• Following numbers: 1 402, 1 403…

Nearest numbers from 1 401

• Preceding prime number: 1 399
• Following prime number: 1 409

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• 1 401 est-il un nombre premier ?