What is the biggest number in roman numerals?

Answer 1

• The biggest number is M that equals 1000.
• I =1, V=5, X=10, L=50, C=100, D=500, and M=1000
• The biggest value Roman numeral which could be typed on keyboard may be (MMMCMXCIX)CMXCIX, which represents the number 3,999,999

Answer 2

MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMCMXCIX