Roman Numerals

# Roman Numerals: MMXI = 2011

## Convert Roman Numerals

Arabic numerals:
Roman numerals:
 Arabicnumerals 0 1 M C X I 2 MM CC XX II 3 MMM CCC XXX III 4 CD XL IV 5 D L V 6 DC LX VI 7 DCC LXX VII 8 DCCC LXXX VIII 9 CM XC IX

The converter lets you go from arabic to roman numerals and vice versa. Simply type in the number you would like to convert in the field you would like to convert from, and the number in the other format will appear in the other field. Due to the limitations of the roman number system you can only convert numbers from 1 to 3999.

To easily convert between roman and arabic numerals you can use the table above. The key is to handle one arabic digit at a time, and translate it to the right roman number, where zeroes become empty. Go ahead and use the converter and observe how the table shows the solution in realtime!

## Current date and time in Roman Numerals

 2021-05-08 12:21:13 MMXXI-V-VIII XII:XXI:XIII

Here is the current date and time written in roman numerals. Since the roman number system doesn't have a zero, the hour, minute, and second component of the timestamps sometimes become empty.

## The year 2011

The year 2011 began on a Saturday and was not a leap year. Here you can read more about what happened in the year 2011.

## The number 2011

The number 2011 is a prime number.

2011 as a binary number: 11111011011
2011 as an octal number: 3733
2011 as a hexadecimal number: 7DB

## Numbers close to MMXI

Below are the numbers MMVIII through MMXIV, which are close to MMXI. The right column shows how each roman numeral adds up to the total.

 2008 = MMVIII = 1000 + 1000 + 5 + 1 + 1 + 1 2009 = MMIX = 1000 + 1000 + 10 − 1 2010 = MMX = 1000 + 1000 + 10 2011 = MMXI = 1000 + 1000 + 10 + 1 2012 = MMXII = 1000 + 1000 + 10 + 1 + 1 2013 = MMXIII = 1000 + 1000 + 10 + 1 + 1 + 1 2014 = MMXIV = 1000 + 1000 + 10 + 5 − 1