There is a theorem in base 10 that if the sum of the digits in a number equals either nine or a number that is divisible by nine, then the original is also divisible by nine.

My question is will this be true for 7 in base 8 as well?

Mike MacClure

- Thu Aug 30, 2012 2:09 am
- Forum: Discrete Math
- Topic: number theory: division rule for 7 in base 8?
- Replies:
**1** - Views:
**2158**

There is a theorem in base 10 that if the sum of the digits in a number equals either nine or a number that is divisible by nine, then the original is also divisible by nine.

My question is will this be true for 7 in base 8 as well?

Mike MacClure

My question is will this be true for 7 in base 8 as well?

Mike MacClure