When you mix capital letters and numbers as a way of indicating words without writing them properly [CU L8R] it is called a rebus. There is nothing new about 733T:- children's puzzlebooks from the 1920s used to contain examples like YYUR YYUB ICUR YY4me.
With capital letters
You type roman numerals by using capital letters.
mdccvii In capital letters: MDCCVII
Xviii.x.lxxxxi. All in capital letters.
You use the capital letters.
Xxiii.xi.mcmlxxxi It is done all in capital letters. I have no idea why they won't stay as capital letters when I put them in :(
mccxciii (in all capital letters)
dclxxi but in capital letters although their values are the same
Simple- Use capital letters such as I or X or V.
Roman numerals represent numbers using a combination of capital letters such as I, V, X, L, C, D, and M. These letters are used in place of Arabic numerals to indicate numerical values.
v-ix-mm but in capital letters
To give emphasis on his name