22 Feb '06 13:131 edit

Find all positive integers n (n will be called special)

such that if n divides a three digit number say ABC where A = hundreds, B = tens, C = ones. Then n also divides BCA and CAB.

It's trickier than you think ...

such that if n divides a three digit number say ABC where A = hundreds, B = tens, C = ones. Then n also divides BCA and CAB.

It's trickier than you think ...