Full form of XXI is Roman Numeral 21
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Frequently Asked Questions
What is the full form of XXI?
XXI stands for Roman Numeral 21.
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Citations
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"XXI." Fullformexpand.com, https://www.fullformexpand.com/xxi/roman-numeral-21. Accessed 25 Feb. 2026.
Fullformexpand.com, 2026. "XXI." Accessed February 25, 2026. https://www.fullformexpand.com/xxi/roman-numeral-21.
"XXI." (n.d.). Fullformexpand.com. Retrieved February 25, 2026, from https://www.fullformexpand.com/xxi/roman-numeral-21.
XXI. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/xxi/roman-numeral-21 (Accessed: 25 February 2026).
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XXI Full Form
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