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# Is 81 a square number or a composite number or both?

Updated: 10/27/2022

Wiki User

11y ago

both

Wiki User

11y ago

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Q: Is 81 a square number or a composite number or both?
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Related questions

### Which is not a composite number 313968 or 81?

Both 81 and 313968 are composite numbers.

### Is 81a composite number or a prime number?

81 is a composite number and it is also a square number

### What is the composite numbers for 81?

81 is a composite number.

### Why is 81 an composite number?

Because it has more than two factors and it is also a square number in which 9 times 9 = 81

### What is 81 is that a prime?

81 is not prime it's a composite number

### Is 81 a prime number or a composite number?

It is a composite number, you can get 81 by mulitpling 1*81, 3*27, and 9*9.compositeNo the number 81 is not prime it can be divided by nine.composite

### What kind of a number is 81?

81 is; Natural number, Perfect-square number, Perfect 4th root number, Perfect totient number, Odd Number, Composite Number, etc.

### Is 81prime or composite?

81 is a composite number

### 81 prime or composite?

81 is a composite number. Composite numbers are any number that has more than two factors(one and itself). Therefore, since 3,9, and 27 are factors of 81 that makes it a composite number.

### Why is 81 a composite?

It has more than two distinct factors; they are 1, 3, 9, 27, 81

### Is 81 prime or a composite?

81 is a composite number because it has more than two factors.

### What is the prime number of 81 is it even or odd?

81 is an odd composite number.