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Last updated on May 26th, 2025

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529 in Roman Numerals

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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.

529 in Roman Numerals for Vietnamese Students
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What is 529 in Roman Numerals?

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. 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 used to count.

 

In Roman Numerals, we use DXXIX to represent 529, where D is 500, XX is 20, and IX is 9. Let’s learn more about Roman numerals and how we write them.

529 in roman numerals

 

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Basic Rules for 529 in Roman Numerals

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.

 

Rule 1: Addition Method

The addition method is used when the smaller number is placed after the larger number. For example, DXX → D + X + X → 500 + 10 + 10 = 520

 

Rule 2: Repetition Method

To write a large number, there are certain Roman Numerals that can be repeated three times. III → 3.

 

Rule 3: Subtraction Method

If a small number is followed by a large number in Roman Numerals, we subtract the smaller number from the large number. For example, IX → X - I → 10 - 1 = 9

 

Rule 4: Limitation Rule

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. Similarly, we write 8 as VIII, not IIIIIIII.

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How to Write 529 in Roman Numerals

Let’s now learn how to write 529 in Roman Numerals. Follow these methods to write the number in Roman Numerals.

 

  • By Expansion Method
  • By Grouping Method
Professor Greenline from BrightChamps

529 in Roman Numerals by Expansion Method

In the expansion method, based on the place value, the number is broken down. In this section, we will learn how to write 529 in Roman numerals using the expansion method. To write 529 in Roman Numerals, follow the steps:

 

Step 1: Break the number based on place value. Place values include ones, tens, hundreds, etc. For 529, we write it as 500 + 20 + 9.

 

Step 2: Convert the number into Roman Numerals. 500 in Roman Numerals — D 20 in Roman Numerals — XX 9 in Roman Numerals — IX

 

Step 3: Combine these Roman Numerals together. Therefore, 529 in Roman Numerals is D (500) + XX (20) + IX (9) = DXXIX

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529 in Roman Numerals by Grouping Method

When writing a large number in Roman Numerals, we group the numbers. To write 529 in Roman Numerals, we group 529 as 500 + 20 + 9.

 

 

  • 500 in Roman Numerals - D
     
  • 20 in Roman Numerals - XX
     
  • 9 in Roman Numerals - IX

 

So, 529 is written as DXXIX in Roman Numerals.

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Common Mistakes and How to Avoid Them in 529 Roman Numerals

Students make mistakes when writing a number in Roman Numerals. To master Roman Numerals, we can learn a few common mistakes and the ways to avoid them.

Mistake 1

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Errors in repetition method

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The repetition method can be confusing for beginners as it states that Roman Numerals cannot be repeated more than three times. In contrast, some Roman Numerals such as V, L, and D cannot be repeated.

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529 in Roman Numerals Examples

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Problem 1

Calculate the sum of DXX and IX.

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The sum of DXX and IX is DXXIX.

Explanation

First, convert the Roman numerals to numbers: DXX = 520 and IX = 9.

The sum is 520 + 9 = 529.

In Roman numerals, 529 is written as DXXIX.

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Problem 2

A historian found that a manuscript was last updated in the year DXXIX. How many years ago was this if the current year is MMXXIII?

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The manuscript was last updated 1494 years ago.

Explanation

First, convert the Roman numeral year DXXIX to a number: DXXIX = 529.

Then, calculate the difference between the current year (2023) and 529: 2023 - 529 = 1494.

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Problem 3

If a collector has DL paintings and plans to sell XXI of them, how many paintings will remain in his collection?

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The collector will have DXXIX paintings remaining.

Explanation

Convert the Roman numerals to numbers: DL = 550 and XXI = 21.

Subtract the number of paintings sold from the total: 550 - 21 = 529.

In Roman numerals, 529 is DXXIX.

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Problem 4

A library acquired a collection of books published between the years CDXXXI and DXXIX. How many years does this range cover?

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The range covers 98 years.

Explanation

Convert the Roman numerals to numbers: CDXXXI = 431 and DXXIX = 529.

Subtract the earlier year from the later year to find the range: 529 - 431 = 98.

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Problem 5

Write the Roman numeral for 400 + 100 + 20 + 9 using the expansion method.

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The Roman numeral for 400 + 100 + 20 + 9 is DXXIX.

Explanation

Step 1: Convert each number into Roman numerals: 400 = CD, 100 = C, 20 = XX, 9 = IX.

Combine them: 400 + 100 + 20 + 9 = 529, which is DXXIX in Roman numerals.

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FAQs on 529 in Roman Numerals

1.What is 520 in Roman numerals?

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2.How to write 529 in Roman numerals?

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3.What is 530 in Roman Numerals?

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4.Is DXXIX a prime number?

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5.What are the multiples of 529?

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Important Glossaries for 529 in Roman Numerals

  • Addition rule: The addition method is used when a large number is followed by a smaller numeral, here the values are added. For example, DXX = D + X + X = 500 + 10 + 10 = 520.

 

  • Grouping method: Here, the given number is grouped based on its place value, and then we convert each group into its Roman numerals. For example, 529 = 500 + 20 + 9 = DXXIX.

 

  • Repetition rule: Certain symbols (I, X, C, M) in the Roman numeric system can be repeated only up to three times. For example, III = 3 (I is repeated three times to represent the number 3).

 

  • Subtraction rule: The subtraction method involves a smaller numeral preceding a larger one, indicating subtraction. For example, IX = X - I = 9.

 

  • Limitation rule: Some symbols cannot be repeated (V, L, D), and symbols can't be repeated more than three times.
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Hiralee Lalitkumar Makwana

About the Author

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.

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Fun Fact

: She loves to read number jokes and games.

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