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Perfect Numbers


Ranked as 37039 on our all-time top downloads list with 863 downloads.

Filename perfect.zip (Download)
Title Perfect Numbers
Description The first seven perfect numbers are: 6, 28, 496, 8128, 33550336, 8589869056, and 137438691328. There are presently 49 known such numbers, which are defined by the fact that the sum of their divisors is twice the number itself. For example 6 has the divisors: 1, 2, 3, 6, which adds up to 12. There is for now no known odd number that is perfect. But it has been proven that it has to be bigger than 10^1500, if it exists. All even perfect numbers are on the form: 2^(p-1)(2^p-1), where p and 2^p-1 are prime numbers. I have made one small program to demonstrate these numbers.
Author Anders Tiberg (anders.tiberg@telia.com)
Category TI-84 Plus C Silver Edition/CE BASIC Math Programs
File Size 9,898 bytes
File Date and Time Tue Dec 26 17:51:02 2017
Documentation Included? Yes



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Archive Contents
Name Size
PERFECT-1.png   2988
PERFECT-2.png   2821
PERFECT-3.png   2882
PERFECT.8xp   584
PERFECT.rtf   1738

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