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Is 21 a primenumber?
No, 21 is not a prime number. A prime number is defined as a natural number greater than 1 that has no positive divisors other than 1 and itself. Since 21 can be divided evenly by 1, 3, 7, and 21, it has divisors other than 1 and itself, making it a composite number.
Is the square root of 5 and squa re root of 21 irrational?
Yes. The square root of a natural number (positive integer) is either an integer, or an irrational number.
What is the composite number for 21?
The only composite factor of 21 is 21.
Is there number 0 in natural number?
there is a zero in a natural number.
What is Negative eight times the sum of a number and 21 is 96?
-8 × (number + 21) = 96 → number + 21 = 96 ÷ -8 → number = 96 ÷ -8 - 21 = -12 - 21 = -33
The arithmetic mean of the first 20 even natural number is?
21
What is a square of a natural number 1-20?
21
What is the smallest number that is divisible by 7 15 and 21?
If it needs to be natural it is one.
Is negative 21 a whole or natural?
It is a negative whole number which is the same as an integer
Definition of a multiple of 21?
For any natural number k, 21k is a multiple of k.So for example, if k=1, 21 is the first multiple.Now if k=2, we have 42 which is the next one.In fact for any number n, and any natural number k, kn is a multiple of n.
Is 21 a primenumber?
No, 21 is not a prime number. A prime number is defined as a natural number greater than 1 that has no positive divisors other than 1 and itself. Since 21 can be divided evenly by 1, 3, 7, and 21, it has divisors other than 1 and itself, making it a composite number.
What are the release dates for The Natural Kingdom - 2003 21-Jan 1-21?
The Natural Kingdom - 2003 21-Jan 1-21 was released on: USA: June 2003
Is the square root of 5 and squa re root of 21 irrational?
Yes. The square root of a natural number (positive integer) is either an integer, or an irrational number.
What is the composite number for 21?
The only composite factor of 21 is 21.
Is 0.32 a natural number?
no..a natural number is a whole number
Is there number 0 in natural number?
there is a zero in a natural number.
Is 9 an natural number?
No, but is a natural number.
