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There is only one Perfect Number within this range : 496.
If 2ⁿ - 1 is prime then 2ⁿ⁻¹(2ⁿ - 1) is a perfect number.
In this instance n = 5 then, 2⁴(2⁵ - 1) = 16 x 31 = 496...........and 31 is a Prime number.
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Earn +20 ptsQ: What are the 'perfect' number between 400 and 500?
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What is the perfect number between 490 and 500?
496.
What number is halfway between 400 and 600?
500
What is a number between 400 and 500 that is divisble by 3 but not 2?
456
What is the number of numbers between 400 and 500 if both the numbers are counted?
102
How many 3 digit numbers between 99 to 500?
400 of them.
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