66
76 !
78
Halfway between them is 160.
The numbers between 80 and 85 are 81, 82, 83, and 84. The number that is exactly halfway between 80 and 85 is 82.5
90.5 is the median, as it is the number that is halfway between the two, or half of the total of the two numbers.
27 and 81
81 is a square number
It has more than two distinct factors; they are 1, 3, 9, 27, 81
81 is divisible by 1, 3, 9, 27 and 81
81 has 5 factors: 9x9 3 x 27 1 x 81
1, 3, 9, 27, 81