A perfect number is a whole number that is equal to the sum of all its factors except itself. For example, 6 is a perfect number because its factors, 1, 2, and 3 add to give 6. The next smallest is 28 (the sum of 1 + 2 + 4 + 7 + 14).
My other YouTube channels:
The Science Fiction Rock Experience ( the music show I produce):
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My science and music channel::
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Science World (with Emrah Polat):
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My website: [ Ссылка ]
My latest book is available here: [ Ссылка ]
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