Integer, rational, and real.
81 is not prime it's a composite number
81 is not a prime number. 81 = 3 * 3 * 3 * 3
No, -81 is not an irrational number because it can be represented in the form x/y = -81
81 is a square number
If that pill is round and white and the 81 is off red then it is an aspirin.
Integer, rational, and real.
No, 81 is an odd number.
81 is not prime it's a composite number
The square number of 81 is 9. 9 x 9 = 81
81 is not a prime number. 81 = 3 * 3 * 3 * 3
No, -81 is not an irrational number because it can be represented in the form x/y = -81
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
Magnemite is #81 in the national pokedex, and it is an Electric-Steel type Pokemon.
81 is a square number
81 is an odd composite number.
66.6% of 81= 66.6% * 81= 0.666 * 81= 53.946