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We would write 431 as: CDXXXI,

It translates to the following:

  • CD (500 - 100) = 400
  • XXX (10 + 10 + 10) = 30
  • I (1) = 1

It would be improper to write the numeral as CCCCXXXI, as you cannot repeat the same numeral more than three times in succession. That is why 40 is XL (50-10) and not XXXX (10 + 10 + 10 + 10).
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The equivalent of 431 in Roman numerals CDXXXI

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9y ago
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Q: What is 431 in Roman Numerals?
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