Convert base 10 number into base 8 representation

• January 8th 2009, 09:19 PM
requal
Convert base 10 number into base 8 representation
okay I got another similar question change $121_{10}$ to base 8
• January 8th 2009, 09:51 PM
mr fantastic
Quote:

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

$121_{10} = 1 \times 8^0 + 7 \times 8^1 + 1 \times 8^2 \, ....$
• January 8th 2009, 10:03 PM
requal
okay maybe im a bit stupid but I dont get your explanation??
• January 9th 2009, 03:30 AM
mr fantastic
Quote:

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?
• January 9th 2009, 04:36 AM
HallsofIvy
Quote:

Originally Posted by requal
okay maybe im a bit stupid but I dont get your explanation??

Do you know what "base 8" means?