400 is CD (100 less than 500). 60 is LX (50 + 10) and 4 is IV (1 less than 5), so 464 would be CDLXIV
538
XII
CXXVI
in roman X
XXIV
roman numarals are v,i ,x,c and some other stuff with represent numbers
Your answer is XXI
XII
L
CCCLXII
DCC
1 = I
XXXIX
CXXVI
XII
538
in roman X