Ah, so they add a bit after the decimal, as it were.
Prime number 2 is 10 in binary becomes 10.0 and 10.1
Prime number 3 is 11 in binary becomes 11.0 and 11.1
When it becomes necessary to double again you get two bits after the decimal.
Yeah not sure what you are ding there?
Just know $5 of Bitcoin, currently valued at $68,549.79, is 0.00005791 of 1 Bitcoin
The above is your fraction of a Bitcoin.