874
Zero to hero
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
Rules
This is a science community. We use the Dawkins definition of meme.
Prime factorization starts at 2, I'm not sure what you mean. Anyway, if you wanted to exclude 0 you could say "positive integers", it's not that hard.
1 also has a unique 'empty' prime factorization, while zero has none.
You can also say "nonnegative integers", if you want to include zero.