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Last updated on February 25th, 2025
Roman numerals are the 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 the Roman numerals. Earlier people used to count using fingers, sticks, bones, etc., to count. When life became complex, a standard form was required to count. Ancient Romans used the Roman numeral system to count. 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 MMXVII to represent 2017. Here, MM is 2000, X is 10, V is 5, and II is 2. 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, VII → V + II → 5 + 2 = 7
To write a large number, there are certain Roman numerals that can be repeated up to three times. For example, III → 3.
If a small number is placed before a large number in Roman numerals, we subtract the smaller number from the large number. For example, IX → X - I → 10 - 1 = 9
The 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 8 is written as VIII, not IIIIIIII.
Let’s now learn how to write 2017 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 2017 in Roman numerals using the expansion method.
To write 2017 in Roman numerals, follow these steps:
Step 1: Break the number based on the place value. Place value includes ones, tens, hundreds, etc. For 2017, we write it as 2000 + 10 + 5 + 2
Step 2: Convert the number into Roman numerals 2000 in Roman numeral — MM
10 in Roman numeral — X
5 in Roman numeral — V
2 in Roman numeral — II
Step 3: Combine the Roman numerals together.
Therefore, 2017 in Roman numerals is MM (2000) + X (10) + V (5) + II (2) = MMXVII
When writing a large number into Roman numerals, we group the number.
To write 2017 in Roman numerals, we group 2017 as 2000 + 10 + 5 + 2.
2000 in Roman numeral — MM
10 in Roman numeral — X
5 in Roman numeral — V
2 in Roman numeral — II
So, 2017 is written as MMXVII in Roman numerals.
A historian discovers that a manuscript was written in the year MMXVII. How many years have passed since then until 2023?
An archaeologist finds two artifacts, one dated MMXV and another dated MMXVII. How many years apart were these artifacts created?
Calculate the sum of the years MCMXCIX and MMXVII in Roman numerals.
If a time capsule was buried in the year MMXVII and is to be opened in MMXXXVII, how many years will it have been buried?
Express the year 2017 in Roman numerals using its expanded form.
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.