21 in Roman numerals is XXI. 1 in Roman numerals is I. 90 in Roman numerals is XC. So, 21 1 90 would be XXI I XC in Roman numerals.
XXI is the number 21 in Roman numerals.
21
x = 10 i = 1 xxi = 21
September 21, 2013 can be written in Roman numerals as "XXI-IX-MMXIII".
21 in Roman numerals is XXI. 1 in Roman numerals is I. 90 in Roman numerals is XC. So, 21 1 90 would be XXI I XC in Roman numerals.
This is the 21st. winter Olympics. It is customary to use Roman numerals to represent this, and XXI is the representation or 23.
XXI is the number 21 in Roman numerals.
21
x = 10 i = 1 xxi = 21
The number 21105 in Roman numerals would be (XXI)CV
I/XXI/LXXXIX
XXI
December 21, 2011 is written as "XII XXI MMXI" in Roman numerals.
V-xxi-ixi-vii viImproved Answer:-In today's notation of Roman numerals it is: V-XXI-MCMLXXVI
May 21, 1995 in roman numerals is written as XXI V MCMLXXXV.
September 21, 2013 can be written in Roman numerals as "XXI-IX-MMXIII".