Question

Transform $212231$ from scale four to scale five.

Answer 1

$212231$ from scale four to decimal is $1\times 4^0+3\times 4^1+2\times 4^2+2\times 4^3+1\times 4^4+2\times 4^5=2477$

When $2477$ is divided by $5$ quotient is $495$ and remainder is $2$

When $495$ is divided by $5$ quotient is $99$ and remainder is $0$

When $99$ is divided by $5$ quotient is $19$ and remainder is $4$

When $19$ is divided by $5$ quotient is $3$ and remainder is $4$

When $3$ is divided by $5$ quotient is $0$ and remainder is $3$

Hence, $212231$ from scale four to $34402$ in the scale of five.