800 in Roman numerals is written as DCCC. Roman numerals were used in ancient Rome to represent numbers using letters instead of digits. The seven main symbols are I, V, X, L, C, D, and M, each with its own value.
Here, D = 500 and C = 100. To make 800, we add 500 (D) and three hundreds (CCC), so we can get DCCC = 500 + 100 + 100 + 100 = 800.
In this article, you will learn how to write 800 in Roman numerals, understand the value, look at the nearby numerals, go through examples, and practice related questions.
The number 800 in Roman numerals is written as DCCC. Let’s see step by step:
Break the number 800 into parts: 800 = 500 + 100 + 100 + 100.
Write the Roman symbols: D = 500 and C = 100
Add them together: D + C + C + C = DCCC
So, 800 in Roman numerals is DCCC.
| 
 Number  | 
 Roman Numeral  | 
| 
 700  | 
 DCC  | 
| 
 750  | 
 DCCL  | 
| 
 800  | 
 DCCC  | 
| 
 850  | 
 DCCCL  | 
| 
 900  | 
 CM  | 
| 
 1000  | 
 M  | 
Example 1: Add D (500) and CCC (300). Express results in Roman numerals.
D = 500, CCC = 300
500 + 300 = 800
800 = DCCC in Roman numerals
Example 2: Subtract CC (200) from M (1000). Express in Roman numerals.
M = 1000, CC = 200
1000 – 200 = 800
800 = DCCC in Roman numerals
Example 3: Multiply C (100) by VIII (8). Express results in Roman numerals.
C = 100, VIII = 8
100 × 8 = 800
800 = DCCC in Roman numerals
Example 4: Add CD (400) and CD (400). Express the sum in Roman numerals.
CD = 400
400 + 400 = 800
800 = DCCC in Roman numerals
Example 5: A library has D (500) old books and CCC (300) new books. How many books are there in total? Express in Roman numerals.
D = 500, CCC = 300
500 + 300 = 800
Total = DCCC
800 = DCCC, where D = 500 and C = 100.
Roman numerals do not use zero (0).
There are no subtraction rules for 800; it is a simple addition of D and three Cs.
Roman numerals such as DCCC are often seen in building dates, clock and book chapters.
The year DCCC (800) marks the crowning of Charlemagne as the Emperor of the Romans.
1. Write 800 in Roman numerals.
2. Add D (500) and CCC (300). Write your answer in Roman numerals.
3. Subtract CC (200) from M (1000). Express results in Roman numerals.
4. Write the next three numbers after 800 in Roman numerals.
5. Convert the year 850 to Roman numerals.
1. What is 800 in Roman numerals?
Answer: 800 in Roman numerals is written as DCCC.
2. Why is 800 written as DCCC in Roman numerals?
Answer: Because D = 500 and each C = 100, add 500 + 100 + 100 + 100 = 800.
3. What are the Roman numerals for 900?
Answer: The 900 in Roman numerals has CM, which uses the subtraction rule (less than 1000).
4. What comes before and after 800 in Roman numerals?
Answer: Before 800 is DCC (700), and after 800 is DCCCL (850).
5. How do we read DCCC in normal numbers?
Answer: DCCCC represents 800 in the standard number system.
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