Are you sure? NIST says there should be a space: > There is a space between the numerical value and unit symbol, even when the value is used in an adjectival s

Are you sure? NIST says there should be a space: > There is a space between the numerical value and unit symbol, even when the value is used in an adjectival sense, except in the case of superscript units for plane angle. https://physics.nist.gov/cuu/Units/checklist.html https://physics.nist.gov/cuu/Units/checklist.html