I can also do the periodic table. Guess what I spent lockdown learning. My friend can do the periodic table backwards as well as forwards, which is quite impressive.
I may or may not use a mathematical number as my phone password . It's not pi though, it's a lesser known one. I learned about 50 of the digits when I was bored, but can really quickly recall around 20-30.
3.1415926535897932384626879
Why do we all waste our time learning random numbers when we'll probably only every use 5
Cube is love cube is life Cube is attractive