Yes.
CCCLX is the number 280 in roman numerals. This number is used to represent what roman used to write.
1322.
we write 5 in roman number like this :- V
The number 1450 is written in roman numerals as MCDL.
It is: 2005 = MMV in Roman numerals
CCXLV
LXIXa
MV
one
445
MMII