Roman numerals XXI

The Roman numeral XXI corresponds to the Arabic number 21.

XXI = 21

How to read and how to write XXI

Symbols are written and read from left to right, from highest to lowest.

If number XXI is within to text or sentence it should be read in its equivalent in Arabic numbers, in this case 21.

Previous number

XX is number 20

Next number

XXII is number 22

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