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The first 20 perfect numbers are:
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6
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28
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496
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8128
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33,550,336
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8,589,869,056
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137,438,691,328
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2,207,372,036,288
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43,112,609,545,616
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1,112,712,304,462,987,952
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23,274,305,431,112,921,504
What else can I help you with?
Is 20 a perfect number in math?
No. In the first hundred numbers, there are only two perfect numbers: 6, and 28.
What are the first 20 perfect numbers?
149162536496481100121144169196225256289324361400------------The above numbers are squares not perfect numbers. A perfect number n is one that is equal to the proper divisors of n. Here are the first few:628496812833550336858986905613743869132823058430081399521282658455991569831744654692615953842176191561942608236107294793378084303638130997321548169216I don't know if more of them are known. For more information see oeis.org.
Perfect numbers between 20 and 30?
there are no perfect numbers instead there are perfect cubes, perfect squares, natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. If you want natural no. they are 21, 22, 23, 24, 25, 26, 27, 28, and 29.
Is 20 a square number or not?
No. Square numbers (or perfect square numbers) are squares of integers. The perfect square numbers are 1, 4, 9, 16, 25, 36 ... 20 is not in the series.
How many perfect numbers are in between 20 and 50?
The only perfect number between 20 and 50 is 28.
How many numbers between 2 and 20 are perfect squares?
Three numbers.
What are the perfect numbers between 1 and 20?
Just 6
What are the first 20 odd numbers?
The first 20 odd numbers are: 13579111315171921232527293133353739.
How many perfect square numbers between 1 to 1000 are?
There are 31 perfect square numbers between 1 and 1000 (including 1).
How many numbers between 20 and 30 are perfect square?
4
What are all the perfect numbers between 20 and 30?
only 28 bro
What are the numbers arranged from 1 to 20 in a circle such that the sum of any two adjacent numbers is a perfect square?
hnmhv
