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What are the 5 factors in 81?
Factors are just numbers 81 can be divided by. The whole number factors are 1, 3, 9, 27, and 81
What are all the factors of 81?
Factors are numbers you can multiply together to get another number. 81: 1, 3, 9, 27, 81
Do all square numbers have exactly 3 factors?
No. 81=9*9=3*27=1*81 81 has 5 factors and is a square number. 36=6*6=3*12=1*36=2*18=4*9 36 has 9 factors and is a square number. This doesn't mean that no square numbers have exactly 3 factors though, because: 9=3*3=1*9 9 has 3 factors and is a square number. 4=2*2=1*4 4 has 3 factors and is a square number. All square numbers have an odd number of factors though (because they have a whole number which multiplies by itself to get the number). Factors are whole numbers only, and not decimals. Hope this helps :)
Is the number 81 a whole number?
Whole Number : Set of counting numbers along with zero. i.e. W = {0,1,2,3...} Therefore, 81 is a whole number.
Find all factors of 81?
All Factors of 81:1, 3, 9, 27, 81
What are the whole number factors of 81?
Factors of 81 in pairs = 1 x 81, 3 x 27, 9 x 9, 27 x 3, 81 x 1.
What number has five factors up 1000?
16, 81, 256, 625 all have five factors.
Is 81 whole number?
Yes, it is.
What are 2 whole numbers that 80 is in between?
79 & 81, or any whole number from 1 to 79 with any whole number greater than 81.
What is 81 over 9 as a whole number?
Oh, dude, 81 divided by 9 is like, 9. So, as a whole number, it's just 9. Easy peasy lemon squeezy. Math can be a walk in the park, you know?
Is -81 an integer?
Yes, -81 is an integer. An integer is a whole number that can be positive, negative, or zero. In this case, -81 is a negative whole number, making it an integer.
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
