Perfect squares have an odd number of factors.
All numbers have factors. Some factors are perfect squares. We call these perfect square factors. 9 is a perfect square factor of 27.
No. Perfect square numbers have an odd number of factors.
Perfect squares are numbers with an odd number of factors.
The perfect numbers under forty are 6 and 28.
All compound numbers that are not perfect squares.
perfect squares
A perfect square
A perfect square.
Pairs of numbers.
All nonzero numbers have factors. Some factors are even numbers, some factors are odd numbers.
The same number is multiplied with itself to form a perfect square i.e. a perfect square has real and repeated equal numbers as factors.