Last updated on May 26th, 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 more. Here we will be discussing Roman numerals, rules, and examples.
Royal titles, such as Henry I, Henry II, and so on, often use Roman numerals. Have you noticed these symbols and wondered what they represent?
Those are the Roman numerals. In ancient times, people counted using fingers, sticks, bones, etc. 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 we use to count.
In Roman numerals, we use DCCCXXXIV to represent 834, where D is 500, CCC is 300, XXX is 30, and IV is 4. 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 a smaller number is placed after a larger number. For example, VIII → V + III → 5 + 3 = 8
To write larger numbers, certain Roman numerals can be repeated up to three times. III → 3.
If a smaller number precedes a larger number, we subtract the smaller number from the larger one. For example, IV → V - I → 5 - 1 = 4
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, and for 8, we write VIII, not IIIIIIII.
Let’s learn how to write 834 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 834 in Roman numerals using the expansion method.
To write 834 in Roman numerals, follow these steps:
Step 1: Break the number based on place value, such as ones, tens, hundreds, etc.
For 834, we write it as 800 + 30 + 4
Step 2: Convert the numbers into Roman numerals
800 in Roman numerals — DCCC
30 in Roman numerals — XXX
4 in Roman numerals — IV
Step 3: Combine the Roman numerals together.
Therefore, 834 in Roman numerals is DCCC (800) + XXX (30) + IV (4) = DCCCXXXIV
When writing a large number in Roman numerals, we group the number.
To write 834 in Roman numerals, we group 834 as 800 + 30 + 4
800 in Roman numerals — DCCC
30 in Roman numerals — XXX
4 in Roman numerals — IV
So, 834 is written as DCCCXXXIV in Roman numerals.
Students often make mistakes when writing numbers in Roman numerals. To master Roman numerals, we can learn a few common mistakes and ways to avoid them.
If a historian discovers DCCCXXXIV artifacts, how would this be represented in Roman numerals?
The Roman numeral for 834 is DCCCXXXIV.
The number 834 is expressed as 800 + 30 + 4.
In Roman numerals,
this is written as D (500) + CCC (300) + XXX (30) + IV (4), which combines to DCCCXXXIV.
A library has a collection of DCCCXXXIV books and decides to expand it by LXXVI new books. What is the total number of books in Roman numerals?
The total number of books is CMX.
To find the total number of books, add 834 and 76.
DCCCXXXIV = 834
LXXVI = 76
834 + 76 = 910
The Roman numeral for 910 is CMX (900 + 10).
A marathon covers a distance of DCCCXXXIV kilometers. If a runner has completed DLX kilometers, how many kilometers are left to run in Roman numerals?
The remaining distance is CCLXXIV kilometers.
To find the remaining distance, subtract 560 from 834.
DCCCXXXIV = 834
DLX = 560
834 - 560 = 274
The Roman numeral for 274 is CCLXXIV (200 + 70 + 4).
Convert the sum of CCC and DXXXIV into Roman numerals.
The sum of CCC and DXXXIV in Roman numerals is DCCCXXXIV.
To find the sum, add 300 and 534.
CCC = 300
DXXXIV = 534
300 + 534 = 834
The Roman numeral for 834 is DCCCXXXIV.
A treasure chest contains a mix of coins worth DCCCXXXIV sesterces. If each coin is worth II sesterces, how many coins are in the chest?
There are CDXVII coins in the chest.
To find the number of coins, divide 834 by 2.
DCCCXXXIV = 834
II = 2
834 / 2 = 417
The Roman numeral for 417 is CDXVII (400 + 10 + 7).
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.