XX Roman Numeral: What Number Is XX?
Numbers and numerals are detected as you type. Enter copies, Alt+S swaps.
XX is 20 (twenty). It is two Xs, all added: 10 + 10 = 20.
Reading XX letter by letter
| Letter | Value | Step | Total |
|---|---|---|---|
| X | 10 | start | 10 |
| X | 10 | add | 20 |
Why XX is valid
- Two Xs in a row
- One below the limit of three.
XX in names, titles and systems
- Super BowlSuper Bowl XXJanuary 26, 1986New OrleansChicago Bears beat New England Patriots 46–10Wikipedia
- Numberingno Pope John XXa medieval numbering error skipped the numberWikipedia
- OlympicsGames of the XX Olympiad1972MunichWikipedia
- EventWrestleMania XX2004Wikipedia
- Tarotcard XXJudgementWikipedia
- LatinvīgintīWiktionary
20 in Roman numerals · Roman numeral rules
