2-adic Numerals
lThe
digits are 1 and 2.
lThe
empty string (denoted l so it is visible) stands
for 0.lThe numerals are:
l, 1, 2, 11, 12, 21, 22, 111, 112, É
lUnlike binary numerals, there is no redundancy (1, 01, 001, 0001, É all mean the same thing in binary).