merge revision(s) f4f728b319086eea3db6e9909fb9c849c276f813: [Backport #21680]
[PATCH] [Bug #21680] Fix (base**power_of_two).digits(base) bug (#15144) Fix wrong condition in base multiplying loop.
merge revision(s) f4f728b319086eea3db6e9909fb9c849c276f813: [Backport #21680]