1 and 81
Those two numbers certainly divide into 81 though they are not the only numbers to do so.
1, 3, 9, 27, 81.
1, 3, 9, 27, 81.
9. The square root of 81 is 9.
1 3 9 27 81
3,
The HCF of both numbers is 1
Negative 9 times 9= Negative 81
1 and 9
The two numbers that multiply to 81 and add to -18 are -9 and -9. When multiplied, they give -9 × -9 = 81, and when added, they result in -9 + -9 = -18. Thus, both conditions are satisfied with these numbers.
170 * * * * * No. These are numbers of the form AB00 (9*9 = 81 of them) C0D0 (81 of them), and E00F (81 of them). 243 in all.
1 and 3
Just the number 1.