Question

Explain the denary number $5213$ in the scale of seven.

Answer 1

When $5213$ is divided by $7$ quotient is $744$ and remainder is $5$

When $744$ is divided by $7$ quotient is $106$ and remainder is $2$
When $1185$ is divided by $7$ quotient is $15$ and remainder is $1$
When $15$ is divided by $7$ quotient is $2$ and remainder is $1$
When $2$ is divided by $7$ quotient is $0$ and remainder is $2$

Hence, the number is $21125$ in scale of seven.