I thought my Uncle Tommy was wearing black socks, but when I looked at them closely, they were just very, very, very, very, very, very, very, very, very dark blue.
Najbolji broj je 73.73 je 21. prosti broj.Njegov zrcalni par, 37, je 12.,a njegov zrcalni par, 21,je nastao množenjem brojeva sedam i tri.U binarnom sustavu, 73 je palindrom: 1-0-0-1-0-0-1.