Interesting, recently I did a test to see if the file system sorts hexadecimal numbers correctly as prefixes. It does with `less`, but looking at the definition for "natural sort order", perhaps other tools or algorithms work only with base-10.
> Natural sorting algorithms generally operate by splitting strings into "chunks" of text and numbers.
[1] https://github.com/rottytooth/Folders/blob/015cf65c15ab681f5...
[2] https://en.wikipedia.org/wiki/Natural_sort_order