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Societies of the past sometimes used different bases for their writing of numbers but that is much less significant than the fact that nearly all of them lacked a true positional system with full use of a zero symbol as a placeholder. In view of how very ancient is the civilization of Babylon, it is remarkable that they among the peoples of the ancient world came closest to a positional system.
They did not, however, fully embrace the use of the not-so-natural number 0 and eschewed using the empty register in the final position the way we do to distinguish, for example,830 from 83.