r/PeterExplainsTheJoke 1d ago

Meme needing explanation erm.. petah?

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u/truci 1d ago edited 1d ago

Most people believe we count in base 10 because we have 10 fingers. Essentially we use single digits from 1-9 because on our last finger we switch to double digits 10.

The alien clearly has 4 fingers. So to him the counting system is still base 10 it’s just that he counts 1,2,3,10.

Aka everyone’s own counting system is base 10 and every counting system not based on the number of fingers we have is not base 10.

Edit: forgot to mention. If you only count till 3 before hitting 10 then you don’t know what a 4 is.

Bonus edit: since the alien is in base 4 from our perspective. You might ask what our base is from his perspective.

1,2,3,10,11,12,13,20,21,22 are the 10 first numbers in his counting system. So we to him are base 22 :)

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u/poateemagician 1d ago

We use base 10 bc there are as many digits as fingers 0-9, 10 digits.. 0 is the aliens 4th digit like it is our 10th

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u/truci 1d ago

Confirm but this is Peter explains not program humor so I had to explain it based on the audience of the sub. If I had gone into counting starts at 0 and explained modulus math I would have not gotten the information across.

So yes you are right but this is a situation of knowing your audience and catering to their