Cube (algebra) however, easy to show that most numbers are not perfect cubes because "all" perfect cubes must have digital root 1, 8 or 9. That is their values modulo 9 may be only −1, 1 and 0. Moreover, the digital root of any number's cube can be determined by the remainder the number gives when divided by 3: Every positive integer can be written as the sum of nine (or fewer) positive cubes. This upper limit of nine cubes cannot be reduced because, for example, 23 cannot be written as the sum of fewer than nine positive cubes: The equation has
The Root Glass Company The Root Glass Company The Root Glass Company originated as Root Glass Works in Vigo County, Indiana. Businessman and Pennsylvania native Chapman J. Root (November 22, 1864 - November 20, 1945) opened the original glass company on May 27, 1901, at Third and Voorhees Streets a year after he moved to the city of Terre Haute, Indiana. By 1904 the company was manufacturing beverage bottles for Coca-Cola as well as several other beverage companies in the area. Between 1905 and 1912 the Root Glass Company workforce increased from 600 to 825 employees. In 1915, Root's company entered a Coca-Cola contest