Not as a number, but as a unit it actually exists. It is called a "mort" (from mortality). In that sense one mort is "so much, you'll die". Though, the commonl

Not as a number, but as a unit it actually exists. It is called a "mort" (from mortality). In that sense one mort is "so much, you'll die". Though, the commonly used scale is a mort * 10 ^ -6. https://en.wikipedia.org/wiki/Micromort https://en.wikipedia.org/wiki/Micromort