Did you know? Altitude of the orbit of the International Space Station (400 km) is 2.5 thousand x Height of Ulm Minster, Germany (161.5 m)
Pop. of Portugal (2023) (10.22million)
/fact/population-of-portugal
Link
If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.