A number needs no translation. 000.eth sold for about $320,000 in July 2022, and 360.com went to Qihoo 360 for a reported $17 million in 2015.
A numeric handle reads identically to every buyer in every market, which is why the demand for them is unusually global.
There are only 1,000 possible three-digit strings and 10,000 four-digit ones — far scarcer than their letter equivalents.