Digits: Z, T, 0, 1, and 2 Z and 2 are only allowed in the most significant digit, while the other 3 are allowed everywhere, including the MSD Z and 2 are only here because of this: 2 is 0.5 mod 1.5, as well as -1, so 2 should end with a T. Subtracting -1 gives us... 3 (negatives are weird), and dividing by 1.5 gives us... 2. yep, it's an endless loop, so 2 is ...TTTTTTTT. yeah, no. Oh, and since Z is -2, it would be ...11111111, which is also bad.
@seyis2011 for 2.5's dance inspiration @Marcus_2n2 for the idea (I think) @SonicMinecraftCoder for the negative block @Number17_Guy for the T 1/2's face is from https://scratch.mit.edu/projects/1326597563/