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Last updated on February 24th, 2025
Roman numerals are a method of expressing numbers using specific symbols. I, V, X, L, C, D, and M are the symbols used in Roman numeral representation. Roman numerals are prevalent in royal titles, book names, sequences, and more. Here, we will discuss Roman numerals, their rules, and provide examples.
The symbols used in titles like Henry I, Henry II, etc., represent Roman numerals. These symbols have been used since ancient times when people counted using fingers, sticks, or other tools. As life became more complex, a standardized system like Roman numerals emerged.
The symbols I (1), V (5), X (10), L (50), C (100), D (500), and M (1000) form the basis of this system. In Roman numerals, we use DCCXXXIII to represent 733, where D is 500, C is 100, X is 10, and I is 1.
Let’s learn more about Roman numerals and how they are written.
There are specific rules to follow when writing numbers as Roman numerals. Let’s explore some essential rules needed when writing numbers in Roman numerals.
This method is used when a smaller numeral follows a larger one, indicating addition. For example, DCCXXXIII → D + C + C + X + X + I + I + I → 500 + 100 + 100 + 10 + 10 + 1 + 1 + 1 = 733
Certain Roman numerals can be repeated up to three times. For instance, III → 3.
If a smaller numeral precedes a larger numeral, the smaller is subtracted from the larger. 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 don’t write VV for 10; instead, we use X, and for 8, we write VIII, not IIIIIIII.
Let’s learn how to write 733 in Roman numerals using different methods:
In the expansion method, numbers are broken down based on their place value. Here’s how to write 733 in Roman numerals using this method:
Step 1: Break down the number based on place value, such as hundreds, tens, and ones. For 733, we write it as 700 + 30 + 3
Step 2: Convert each part into Roman numerals:
Step 3: Combine the Roman numerals: Therefore, 733 in Roman numerals is DCC + XXX + III = DCCXXXIII
When writing a number in Roman numerals, we can also group the numbers. For 733, group it as 700 + 30 + 3:
Thus, 733 is written as DCCXXXIII 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.