There is no way to determine the amount of perfect numbers there are. The number could be infinite, but this has yet to be proven. It has also yet to be proven if there are any odd perfect numbers.
6 and 28 are perfect numbers.
There are 31 perfect square numbers between 1 and 1000 (including 1).
There are 48 different numbers that are considered to be perfect numbers. The perfect numbers that are up to 100 include 6 and 28.
The only perfect number between 20 and 50 is 28.
81. They are the perfect squares of numbers starting from 5.81. They are the perfect squares of numbers starting from 5.81. They are the perfect squares of numbers starting from 5.81. They are the perfect squares of numbers starting from 5.
There are infinitely many perfect numbers so they cannot all be listed.
A perfect square number is an integer multiplied by itself. There are infinitely many such numbers.
There are two perfect numbers, 6 and 28, that are less than 100.
Three numbers.
A cube root, as well as a perfect cube, are both numbers and, as numbers, they have no dimensions.
6 and 28 are perfect numbers.
101
25
There are 48 different numbers that are considered to be perfect numbers. The perfect numbers that are up to 100 include 6 and 28.
There are 31 perfect square numbers between 1 and 1000 (including 1).
Two. 36, and 49 are perfect squares.
4