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81 = 3x3x3x3 = 34
81 = 1,3,9,27,81
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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 :)
Find all factors of 81?
All Factors of 81:1, 3, 9, 27, 81
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.
What number has five factors up 1000?
16, 81, 256, 625 all have five factors.
What is 81 over 9 as a whole number?
81/9 = 9
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 is the whole number of 81 over 90?
There is no whole number - 81/90 in its simplest form is 9/10 !
Which number has exactly 5 factors?
16 and 81 have 5 factors
Why is 81 a composite?
It has more than two distinct factors; they are 1, 3, 9, 27, 81
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
