637 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 we use to count.

In Roman Numerals, we use DCXXXVII to represent 637. Here, D is 500, C is 100, X is 10, and I is 1. 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.

Rule 1: Addition Method

The addition method is used when the smaller number is placed after the larger number. For example, DCXXXVII → D (500) + C (100) + X (10) + X (10) + X (10) + V (5) + I (1) + I (1) = 637.

Rule 2: Repetition Method

To write a large number, certain Roman Numerals can be repeated up to three times. For example, XXX → 30.

Rule 3: Subtraction Method

If a small number precedes 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.

Let’s now learn how to write 637 in Roman Numerals. Follow these methods to write the number in Roman Numerals:

• By Expansion Method
• By Grouping Method

In the expansion method, based on the place value, the number is broken down. In this section, we will learn how to write 637 in Roman numerals using the expansion method. To write 637 in Roman Numerals, follow the steps:

Step 1: Break the number based on the place value: hundreds, tens, and ones. For 637, we write it as 600 + 30 + 7.

Step 2: Convert the number into Roman Numerals:

600 in Roman Numerals - DC

30 in Roman Numerals - XXX

7 in Roman Numerals - VII

Step 3: Combine the Roman Numerals together. Therefore, 637 in Roman Numerals is DC (600) + XXX (30) + VII (7) = DCXXXVII.

When writing a large number into Roman Numerals, we group the number. To write 637 in Roman Numerals, we group 637 as 600 + 30 + 7.

• 600 in Roman Numerals - DC
   
• 30 in Roman Numerals - XXX
   
• 7 in Roman Numerals - VII

So, 637 is written as DCXXXVII in Roman Numerals.

Roman Numerals follow a certain pattern making them look similar. In this section, we will learn some numbers related to the Roman numeral 637. 

• Addition rule: This method is used when a larger numeral is followed by a smaller numeral, and their values are added. For example, DCXXXVII = D (500) + C (100) + XXX (30) + VII (7) = 637.

• Grouping method: In this method, numbers are grouped based on their place value and converted into Roman numerals. For example, 637 = 600 + 30 + 7 = DCXXXVII.

• Repetition rule: Certain symbols (I, X, C, M) in the Roman numeric system can be repeated only up to three times. For example, XXX = 30 (X is repeated three times).

• Subtraction rule: This method is used when a smaller numeral precedes a larger numeral, indicating subtraction. For example, IX = X - I = 9.

• Limitation rule: Some symbols cannot be repeated, such as V, L, and D. For example, we write 10 as X, not VV.