131072

2 to the power of 17, aka in binary: 100000000000000000, this is the max unsigned 17 bit integer

Coder: help coders when a number reached 131072 it gone straight to -131071 help fix this bug
Bad coder: sorry no can do I am bad at coding
Good coder: I can do it! There, fixed, it should overflow at a much higher number,
Coder: thanks!