Digital Root - Significance and Formula of The Digital Root

Significance and Formula of The Digital Root

It helps to see the digital root of a positive integer as the position it holds with respect to the last multiple of nine less than it. For example, the digital root of 11 is 2, which means that 11 is the second number after 9. The digital root of 2035 is 1, which means that 2035-1 is a multiple of nine. A digital root of nine means that the number is a multiple of nine, which is equivalent to a digital root of 9.

With this in mind the digital root of a positive integer may be defined by using Floor function, as

Read more about this topic:  Digital Root

Famous quotes containing the words significance, formula and/or root:

    To grasp the full significance of life is the actor’s duty, to interpret it is his problem, and to express it his dedication.
    Marlon Brando (b. 1924)

    For the myth is the foundation of life; it is the timeless schema, the pious formula into which life flows when it reproduces its traits out of the unconscious.
    Thomas Mann (1875–1955)

    The root of the problem is not so much that our people have lost confidence in government, but that government has demonstrated time and again its lack of confidence in the people.
    Jimmy Carter (James Earl Carter, Jr.)