955
gatekeeping
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
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What you're probably thinking of is Ordinal numbers.
As for your second question, I don't think any "last number" could exist unless we explicitly declared one. And even then... I'm not sure what utility there would be in declaring a "last number".
I mean, whoever gets to declare a "last number" that works certainly will get some bragging rights. After all, you can only ever declare one.
...Right?
(I know math is very weird)