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A perfect number is a positive integer that is equal to the sum of its proper divisors (excluding itself). The first four perfect numbers are 6, 28, 496, and 8128. These are the only known perfect numbers less than 50. Perfect numbers are rare and have special properties in number theory.
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Are prime numbers more or less common than perfect squares?
Any number squared except 0 is a perfect square so it follows that prime numbers are less common than perfect squares.
What are numbers less than zero called if numbers less than one are decimals?
Numbers less than zero are "negative numbers".
What are two perfect integers less than 30?
Perfect numbers are numbers which equal the sum of their divisors. There are two numbers which fulfill this classification which are less than 30:1 + 2 + 3 = 61 + 2 + 4 + 7 + 14 = 28Perfect numbers can be calculated with the following formula:2n*(2(n+1)-1)For example, the first perfect number is: 21*(22-1) = 6The second perfect number is: 22*(23-1) = 28
How many numbers are less than 900?
There are 899 numbers that are less than 900
What numbers less than 40 list each pair of numbers that has a greatest common factor of 12?
12 and 24 12 and 36 24 and 36
What are all the perfect numbers less than 100?
The perfect numbers less than 100 are 6 and 28.
What is a perfect number less than 50?
6 and 28 are perfect numbers less than 50.
How many perfect numbers are there under 100?
There are two perfect numbers, 6 and 28, that are less than 100.
Are prime numbers more or less common than perfect squares?
Any number squared except 0 is a perfect square so it follows that prime numbers are less common than perfect squares.
What are the numbers less than 30?
There are infinitely many numbers that are less than 30 and so it would be impossible to list them all.
How many positive square numbers less than 50?
positive square numbers less than 50 are 7 these are : 1,4,9,16,25,36,49.These are less than 50.
Is 31 a perfect number?
No. The only perfect numbers less than 100 are 6 and 28. All known perfect numbers are even - it is unknown whether there are odd perfect numbers.
What are all the perfect numbers less than 50?
6 and 28
List the prime numbers less than 20?
2,3,5,7,11,13,17,19
What numbers is less than 8.002?
Unfortunately the list is infinate.
What are three numbers less than 1000 that are perfect squares and perfect cubes solution?
Answer: 1, 64, & 729
List of all composite numbers less than 40?
40,38,36,35,32,28,27,25,24,21,20,18,16,15,14,12,10,9,8,6,4
