{"version":"1.0","type":"link","title":"Practical number - Newikis","description":"In number theory, a practical number or panarithmic number is a positive integer such that all smaller positive integers can be represented as sums of distinct divisors of . For example, 12 is a practical number because all the numbers from 1 to 11 can be expressed as sums of its divisors 1, 2, 3,…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/c/c1/Practical_number_Cuisenaire_rods_12.png","thumbnail_width":772,"thumbnail_height":918}