"6.25 Bitcoin will make you a wealthy person." - Saylor

At the 22:40 mark of this keynote speech, Saylor says "6.25 Bitcoin will make you a wealthy person."

Why specifically did he pick 6.25?
https://youtu.be/O9KnBcWMkpw?si=mjrVlXXEC16KP0v1&t=1360