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Last updated on February 24th, 2025
Roman numerals are a way of expressing numbers using symbols. I, V, X, L, C, D, and M are the symbols we use. Roman numerals are used in royal titles, book names, sequences, and so on. Here we will be discussing Roman numerals, rules, and examples.
The royal titles, such as Henry I, Henry II, and so on. Have you noticed the names and wondered what these symbols (I and II) represented?
Those are Roman numerals. In ancient times, people used their fingers, sticks, bones, etc., to count. As life became more complex, a standard form was required for counting. Ancient Romans used the Roman numeral system for this purpose. I (1), V (5), X (10), L (50), C (100), D (500), and M (1000) are the symbols used to count.
In Roman numerals, we use DCCCXLIX to represent 849, where D is 500, CCC is 300, XL is 40, and IX is 9. Let’s learn more about Roman numerals and how we write them.
There are certain basic rules to write a number in Roman numerals. In this section, let’s discuss some basic rules that need to be remembered when writing a number in Roman numerals.
The addition method is used when the smaller number is placed after the larger number. For example, VI → V + I → 5 + 1 = 6
To write a large number, certain Roman numerals can be repeated up to three times. For example, CCC → 300.
If a smaller number precedes a larger number in Roman numerals, we subtract the smaller number from the larger one. For example, IX → X - I → 10 - 1 = 9
Symbols cannot be repeated more than three times, and some symbols like V, L, and D cannot be repeated. For example, we won't write VV for 10; instead, we use X. Similarly, 4 is written as IV, not IIII.
Let’s now learn how to write 849 in Roman numerals. Follow these methods to write the number in Roman numerals.
In the expansion method, based on the place value, the number is broken down. In this section, we will learn how to write 849 in Roman numerals using the expansion method. To write 849 in Roman Numerals, follow the steps:
Step 1: Break the number based on place value: hundreds, tens, and ones. For 849, we write it as 800 + 40 + 9.
Step 2: Convert the numbers into Roman numerals.
800 in Roman Numerals — DCCC
40 in Roman Numerals — XL
9 in Roman Numerals — IX
Step 3: Combine the Roman numerals together.
Therefore, 849 in Roman Numerals is DCCC (800) + XL (40) + IX (9) = DCCCXLIX
When writing a number in Roman numerals, we group the number.
To write 849 in Roman Numerals, we group 849 as 800 + 40 + 9.
800 in Roman Numerals — DCCC
40 in Roman Numerals — XL
9 in Roman Numerals — IX
So, 849 is written as DCCCXLIX in Roman Numerals.
Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.
: She loves to read number jokes and games.