# Math Help - Convert base 10 number into base 8 representation

1. ## Convert base 10 number into base 8 representation

okay I got another similar question change $121_{10}$ to base 8

2. Originally Posted by requal
okay I got another similar question change $121_{10}$ to base 8
$121_{10} = 1 \times 8^0 + 7 \times 8^1 + 1 \times 8^2 \, ....$

3. okay maybe im a bit stupid but I dont get your explanation??

4. Originally Posted by requal
okay maybe im a bit stupid but I dont get your explanation??
If I said that $121_{10} = 171_{8}$ would you see why?

5. Originally Posted by requal
okay maybe im a bit stupid but I dont get your explanation??
Do you know what "base 8" means?