17 in Roman Numerals
Numbers and numerals are detected as you type. Enter copies, Alt+S swaps.
17 in Roman numerals is XVII. Split 17 by place value: 10 is X and 7 is VII, and X + VII joins into XVII. All its letters are added: 10 + 5 + 1 + 1 = 17. In lowercase it is xvii, and the number is seventeen.
How XVII is built
tens10 = 10 → X
10 is a single X.
ones7 = 5 + 2 → VII
7 is 5 plus 2, so V is followed by II: VII.
What sets XVII apart
- Two Is
- XVII doubles I. A third I is still allowed, and that is XVIII, 18; after it the ones switch to subtraction.
- XVI plus one I
- Coming from 16, XVI, you only add another I.
Where you see XVII
Sport
Super Bowl XVII was played on January 30, 1983, in Pasadena, where Washington (then the Redskins) beat the Miami Dolphins 27–17. Wikipedia The Games of the XVII Olympiad were the 1960 Summer Olympics in Rome. Wikipedia
Kings, queens and popes
Louis XVII, son of Louis XVI and Marie Antoinette, never actually ruled and died in captivity in 1795 at the age of ten. Wikipedia
Events and history
Legio XVII was one of three Roman legions destroyed in the Battle of the Teutoburg Forest in AD 9. Wikipedia
Systems numbered with XVII
In most traditional tarot decks, The Star is Major Arcana card XVII. Wikipedia
Roman calendar and Latin
In Latin, the number 17 is septendecim. Wiktionary
Numbers near 17
