Study guides

Q: What kind of a number is 81?

Write your answer...

Submit

Related questions

It is a square number

81; each number is a factor of 81, and it is the smallest you can get.

No, 81 is an odd 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 not a prime number. Its positive integer factors are: 1, 3, 9, 27, 81.81 is a Composite Number.

No. The square root of 81/(-3) is rational. The square root of [81/(-3)] is imaginary (a kind of complex number).

81 is an odd composite number.

81/9 = 9

81 is not a prime number. 81 = 3 * 3 * 3 * 3

Number 81 is Rashied Davis.

81 is not prime it's a composite number

The square number of 81 is 9. 9 x 9 = 81

81 is a composite number because it has factors other than 1 and itself. 81 is not a prime number. 81 = 3 * 3 * 3 * 3. Its positive integer factors are: 1, 3, 9, 27, 81.

No, -81 is not an irrational number because it can be represented in the form x/y = -81

81 is a square number

Number 81 on the periodic table is Thallium.

81 is a composite number because it has more factors than 1 and itself. The factors of 81 are 1, 3, 9, 27, and 81.

No. The square root of 81 is 9, which is a rational number.

Tarn has 81 on its number plate.

The square root of 81 is 9 which is a rational number

81 is a composite number.

81 is a rational number

81/10 = 81/10

81 is divisible by 1, 3, 9, 27 and 81

81