Do you want to know what 2021 is in Roman numerals or how to write 2021 in Roman numerals? If so, you have come to the right corner of the internet. In this article, we'll show you the correct way to write 2021 in Roman numerals, including explanations and rules with pictures and text. Along with this, you'll also get a Roman numeral converter tool to convert different numbers.
2021 in Roman numerals
The Hindu-Arabic (Indo-Arabic) number 2021 in Roman numerals is MMXXI. Here the MM stands for 2000, XX stands for 20 and I stands for 1.
Roman Numerals Tool
How to write 2021 to Roman numerals
To write 2021 in Roman numerals, you need to know the basics of the Roman number system and some basic math, such as which Roman symbol represents what value and how to do addition and subtraction.
The Roman number system is based on seven letters or symbols: I, V, X, L, C, D, and M. These symbols represent the values 1, 5, 10, 50, 100, 500, and 1000, respectively. For easier and faster calculations, you can memorize 4 as IV, 9 as IX, 40 as XL, 90 as XC, 400 as CD, and 900 as CM. You can convert numbers like 2, 3, 20, and 30 by adding two or three symbols that are the same (e.g., X + X + X = 30). And for numbers like 6, 7, 8, 17, and 46, you can convert them by adding smaller symbols followed by larger symbols (e.g., V + III = 5 + 3 = 8, X + V + II = 10 + 5 + 2 = 17, and XL + V + I = 40 + 5 + 1 = 46).
Note - The value of these symbols is multiplied by 1000 by adding a bar above them (e.g., V̅ = 5000).
To convert any number to Roman numerals, including 2021, follow these two steps:
- Step 1:- Split the number into ones, tens, hundreds, thousands and so on like this.
2000 + 20 + 1 = 2021
- Step 2:- Then replace those numbers with equivalent Roman symbols like this.
MM + XX + I = MMXXI
Here’s a table and some calculations for better understanding.
|Units||Numeric Number||Roman Number|
|Thousand * 2||2000||MM|
|Ten * 2||20||XX|
|One * 1||1||I|
MM = M + M
or ,MM = 1000 + 1000
or , MM = 2000
XX = X + X
or ,XX = 10 + 10
or , XX = 20
I = 1
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