Convierte números a y desde números romanos
Numbers above 3,999 use vinculum notation: a line above a numeral multiplies its value by 1,000.
So XCCCXXX = 10.330.
Order X̅CCCXXX on a product
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Did you know?
Florence Banned Arabic Numerals
In 1299, the city of Florence banned Hindu-Arabic numerals. The reasoning? They were too easy to forge. A 0 could become a 6 or 9. A 1 could become a 7. With Roman numerals, altering a number required adding or removing entire letters. The new system was so efficient it was too efficient for a world without modern auditing.
Read more →Why the NFL Chose Roman Numerals
When the Super Bowl started in 1967, the game was played in January but belonged to the previous season. Calling it "the 1966 championship played in 1967" was confusing. Roman numerals solved this elegantly: Super Bowl I, II, III. No year confusion, and it made the event feel like something ancient and important. Marketing genius disguised as tradition.
Read more →¿De dónde vienen los números romanos?
Se cree que los números romanos provienen de señales con las manos y marcas de conteo. El trazo I representa un dedo, la V representa el hueco entre el pulgar y los dedos para el cinco, y la X representa las manos cruzadas para el diez. Las letras L, C, D y M provienen de modificaciones de letras griegas como chi, theta y phi para representar 50, 100, 500 y 1.000. Con el tiempo, estas marcas se transformaron en las letras latinas que se reconocen hoy. No existe el 0 en el alfabeto romano, ya que el concepto del número 0 no se desarrolló plenamente hasta que la India lo inventó alrededor del 600 d.C. / 10600 HE.