The perfect numbers under forty are 6 and 28.
No - forty is not a perfect number. A perfect number is a number equal to the sum of all its factors apart from itself. The closest perfect numbers to 40 in each direction are: lower: 28 higher: 496
The factors of 48 are 1,2,3,4,6,8,12,16,24,48
16
All numbers have factors. Some factors are perfect squares. We call these perfect square factors. 9 is a perfect square factor of 27.
The factors of one hundred and forty-four (144) are the numbers that divide it evenly without leaving a remainder. The factors of 144 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, and 144. This means 144 can be expressed as a product of these factors in various combinations. Notably, 144 is a perfect square, as it is equal to (12 \times 12).
6 and 28
16
They are 1 and 47.
1, 7 and 49.
46 = 2x23
48 does.
No.