Which works not just to preserve the previous statement from internal inconsistency, but also in regards to the incredibly useful Rule of Three (https://en.m.wikipedia.org/wiki/Rule_of_three_(computer_prog...).
It doesn't. You now have 4 numbers.
Five There's five numbers in this industry 0, 1, 3, 4, 5 and infinity
Wait, I'll come in again
The 7 being for design. If there are more than 7 boxes on the whiteboard, try again.
Unicode character can have more than 7 font boxes associated with one character box and still be a valid determinate character form.
log base 2 of 4 is only 16bits