숫자를 로마 숫자로 변환하고 역변환
Numbers above 3,999 use vinculum notation: a line above a numeral multiplies its value by 1,000.
So VCCCXIX = 5,319.
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Did you know?
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 →Fibonacci's Sales Pitch
Fibonacci didn't invent Hindu-Arabic numerals — they originated in India around 500 AD. But his 1202 book Liber Abaci was essentially a 600-page argument that these new numbers were better for business. He showed European merchants how place value and zero could transform trade and banking. He was right. By 1500, the debate was over.
Read more →로마 숫자는 어디에서 왔을까?
로마 숫자는 손 신호와 셈 표시에서 유래한 것으로 여겨집니다. 획 I는 손가락 하나를, V는 다섯을 나타내는 엄지와 손가락 사이의 간격을, X는 열을 나타내는 교차된 두 손을 나타냅니다. L, C, D, M은 그리스 문자 카이, 세타, 파이를 변형하여 50, 100, 500, 1,000을 나타낸 것입니다. 시간이 지나면서 이 표시들은 오늘날 알려진 라틴 문자로 변했습니다. 로마 알파벳에는 0이 없는데, 이는 0의 개념이 인도가 기원후 600년경 / 10600 HE에 발명한 이후에야 완전히 발전했기 때문입니다.