How to Write 400 in Roman Numerals?

To write the number 400 in Roman numerals, follow these steps:

• Step 1: Recognize the basic symbols:
  • I represents 1.
  • V represents 5.
  • X represents 10.
  • L represents 50.
  • C represents 100.
  • D represents 500.
• Step 2: To represent 400, combine the symbols as follows:
  • Start with ‘D’ (500).
  • Place ‘C’ (100) before ‘D’ to indicate subtraction, resulting in 500 – 100 = 400.
• Step 3: Write ‘D’ (500), followed by ‘C’ (100) before ‘D’ to represent 400 as D – C.

So, the Roman numeral for 400 is CD.

Roman numerals are an ancient numeral system with a rich history, known for their continued use in various contexts. In Roman numerals, 400 is represented as CD.