no 11 is not a perfect number because when u add the factors the don't add up to 11
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The next perfect number after 11 is 28.
1. Number 11 (Eleven) is a prime2. The number is an icon of prosperity. People use to give 11 dollars, 11 items of gifts because 11 is means more, one more than 10 (the perfect number) so that the prosperity may come to the receiver more, more than perfect.
1, 7, 11, 77, 121, 847 are the factors of 847.. or 847 = 11*77 ..inorder to make it a perfect square ..u need to multiply 7,11 to the existing number as 11 ,7 are prime numbers. so the least number will be 11*77*11*7
The sum of the 1st perfect number and 2nd perfect number is. . . 34!
If by 'perfect number' you mean 'perfect SQUARE', then yes. 49 is an odd number and a perfect square.