id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
stem-4332	Karimov, Zafar	The Existence of Odd Perfect Numbers	2024	5	.htm	application/pdf	2474	153	81	Keywords: number, perfect number, prime, odd, equal, problem, sum, divisors, integer, triangle, binary, sigma function, divisors function, Marsenne primes. 6 28 496 8128 Consider the general features of perfect numbers.	cache/stem-4332.htm	txt/stem-4332.txt