That number checks out to be accurate to just over 4 significant digits. Divide the 4.019×10^-23 J by 4.2 K and ln(2), and you get a result just a hair smaller

That number checks out to be accurate to just over 4 significant digits. Divide the 4.019×10^-23 J by 4.2 K and ln(2), and you get a result just a hair smaller than the Boltzmann constant. Unless the formula at [0] is wrong, in which case my calculations would also be wrong. [0]: https://en.wikipedia.org/wiki/Landauer%27s_principle#Equation https://en.wikipedia.org/wiki/Landauer%27s_principle#Equatio...