Answer:
These are numbers in base twelve. They are expressed using
groupings of units, twelves, (twelve)2 and so on.
In addition to the digits 0,1,2, …..,9 two further symbols
are required for ten and eleven, usually taken as T and E.
Languages using duodecimal number systems are uncommon.
Then for example,
32Etwelve = (3 x 144ten) + (2 x 12ten) + 11ten = 467ten
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