is there a limitation to the sumerian number system?

Answer 1

Yes, there are at least two:

"There are two important limitations to such a system. Firstly, every different type of good for which you want to make a record must have its own distinctive sign. We saw how the increasing complexity of economic life led to a great proliferation of styles of tokens. Each of these tokens now had to be rendered by its own sign, and, of course, all the signs had to be learned. The second limitation concerns not the range of goods available, but their quantity. Recording a delivery or disbursement of three jars of oil by writing the oil-jar symbol three times is simple and convenient. Recording a delivery or disbursement of several hundred jars of oil the same way is no longer so convenient and is also a system to prone to error. The large temple complexes that developed in the late fourth millennium, such as the temple of Inanna at Uruk, were considerable economic enterprises, dealing in large quantities of goods and labor. Gradually, a new system had to be developed."