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A perfect number is equal to the sum of its proper positive divisors.
A mirror perfect number is equal to the sum of its proper positive divisors when they are read backwards.
From a paper by Joseph L. Pe which is available on the 'net:
10311 = 1 + 3 + 7 + 21 + 491 + 1473 + 3437
7343 + 3741 + 194 + 12 + 7 + 3 + 1 = 11301
10311 is perfect and mirror perfect.
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What is the sum of the first perfect number and the second perfect number?
The sum of the 1st perfect number and 2nd perfect number is. . . 34!
Can a perfect number be odd?
If by 'perfect number' you mean 'perfect SQUARE', then yes. 49 is an odd number and a perfect square.
What is the Perfect number and what is the perfect number after 28?
A perfect number is a number that is the sum of all its proper factors (that is all its factors excluding itself). The next perfect number after 28 is 496
Is the number 32 a perfect number?
32 is not Perfect.
Is 73 the perfect number?
73 is not a Perfect number.
What is a mirrors color?
In a theoretical perfect mirror, a mirror is whatever color the object it is reflecting is. However, there are no perfect mirrors. If you look at a mirror tunnel, you can see mirrors are actually GREEN!
Why doesn't a mirror reflect a perfect image?
I am going to say the image is not perfect for it is a an image, be not deceived by the reflection in a mirror, a true likeness though in reverse.JWP
Are mirror images perfect?
yes but don't spit
Which continents have same mirror image?
There is no continent that is a perfect mirror image of itself or of any other continent.
Why is the true surface of a perfect mirror invisible?
Ask your mom.
What is the sum of the first perfect number and the second perfect number?
The sum of the 1st perfect number and 2nd perfect number is. . . 34!
What is it called when a number has a whole number square root?
Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".
Can a perfect number be odd?
If by 'perfect number' you mean 'perfect SQUARE', then yes. 49 is an odd number and a perfect square.
What is the third perfect number?
496 is the third perfect number and 8128 is the fourth perfect number.
What is the number of pole of mirror?
A mirror has an infinite number of poles due to its smooth and continuous reflective surface. The pole of a mirror is the point where the normal to the mirror surface intersects it, and this point can be anywhere on the mirror surface.
What number is both a square number and a cube number between 1 and 25?
There is not a number that is a perfect square and perfect cube between 1 and 25.There is not a number that is a perfect square and perfect cube between 1 and 25.There is not a number that is a perfect square and perfect cube between 1 and 25.There is not a number that is a perfect square and perfect cube between 1 and 25.
Is 28 a perfect number?
Yes it is. 6 is the first perfect number, 28 is the second perfect number.
