Question

Transform $23861$ from scale nine to scale eight.

Answer 1

$23861$ from the scale nine to decimal is $1\times 9^0+6\times 9^1+8\times 9^2+3\times 9^3+2\times 9^4=16012$

When $16012$ is divided by $8$ quotient is $2001$ and remainder is $4$

When $2001$ is divided by $8$ quotient is $250$ and remainder is $1$

When $250$ is divided by $8$ quotient is $31$ and remainder is $2$

When $31$ is divided by $8$ quotient is $3$ and remainder is $7$

When $3$ is divided by $8$ quotient is $0$ and remainder is $3$

Hence, $23816$ from scale nine to $37214$ in scale of eight.