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

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

81 is a composite number.

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

81 is not prime it's a composite number

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

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.

Related questions

Both 81 and 313968 are composite numbers.

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

81 is a composite number.

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

81 is not prime it's 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

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

81 is a composite number

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.

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

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

81 is an odd composite number.