I think the idea is that 6 modulo 6 would just be 0, so in that system the only integers used are 0 through 5. Six is used as a concept in structuring the syste

I think the idea is that 6 modulo 6 would just be 0, so in that system the only integers used are 0 through 5. Six is used as a concept in structuring the system, but it would not be present in the usage of the system.