Digital Root/Examples/34716 Base 10

Example of Digital Root
In conventional base $10$ notation, we have:


 * $\map {s_{10} } {34716} = 3 + 4 + 7 + 1 + 6 = 21$

and then:
 * $\map {s_{10} } {21} = 2 + 1 = 3$.

So the digital root of $34716$ (base $10$) is $3$.