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How can nothing be a number
Because a number isn't just a representation of a size or amount - that's called a scalar. A number can also represent a point in a space, the label of a vertex on a graph and probably some other things too.
BTW, 0 is typically considered a scalar. As in mathematics scalar is typically defined as a field, which would require an additive identity, namely 0.
Wouldnt it be best to think of it more as the representation of the absence of something?
Hi, mathematician here. What's a "number"?
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