25 in Roman Numerals

25 in Roman numerals at a glance

Roman numeral

XXV

Lowercase

xxv

Letters

3

Parts

X · X · V

Subtractive pairs

None

In words

twenty-five

Latin name

viginti quinque

How XXV is built

Roman numerals are written one decimal place at a time, from the largest place to the smallest. Converting each digit of 25 separately and joining the pieces gives XXV:

Reading it back, left to right:

• X = 10 → running total 10
• X = 10 → running total 20
• V = 5 → running total 25

The rules XXV follows

• Largest to smallest. XXV uses the symbols X and V (3 characters in all), and the values never increase from left to right except inside a subtractive pair.
• No subtraction needed. None of the digits of 25 is a 4 or a 9, so XXV is purely additive: just add the symbol values.
• Repetition. XX repeats X two times. I, X, C and M may repeat up to three times in a row; V, L and D never repeat.

Where you will see XXV

• The U.S. Constitution. Amendments are often cited in Roman numerals: Amendment XXV covers presidential succession and disability (ratified in 1967).
• The modern Summer Games. They are officially numbered by Olympiad; the Games of the XXV Olympiad belong to 1992: Barcelona.
• Championship games. Pro football numbers its championship game with Roman numerals, starting from game I in January 1967. Game XXV was played in early 1991.
• Volumes and sequels. Book volumes, conference editions, film sequels and anniversary events often carry a Roman numeral; edition XXV would be the 25th.

Numbers near 25 in Roman numerals

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