<ul><li>The article talks about the O(sqrt n) algorithm to find the kth factor of a number n.</li><li>The author mentions that factors 'mirror' themselves after a certain point and uses this information to iterate only to the square root of n instead of n itself.</li><li>The author explains the code used to generate the factors in ascending and descending order and uses these to optimize the search for the kth factor.</li><li>The solution is progressively optimized using complex logic in lines of code.</li><li>The author advises using variables like factors_asc_len and factors_desc_len to make the code more optimized and mentions that calling len() could affect time notation.</li><li>Overall, the article is an interesting delve into algorithms and explores how to optimize search for a particular factor of a number.</li></ul>

The Kth factor of N - an O(sqrt n) algorithm

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