Roman Numerals

XVII is 17. The X is 10, the V is 5, and the two I's are each 1.

It is: 207 = CCVII

The number 2100 written in Roman numerals is MMC

"MCMXVII" is the Roman numeral representation of the number 1917.

It is: 12 = XII

CCCXXI = 321. Each C is 100, each X is 10, and the I is 1. Or,

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In today's terms the given Roman numerals are equivalent to 1975

Exactly as they were during the classical Roman period and not as to the changes made to them during the Middle Ages which we still use today.

For example today we would write out 1999 in Roman numerals as MCMXCIX due to these changes

But in Roman times the equivalent of 1999 was MDCCCCLXXXXVIIII which then was simplified to IMM (2000-1)

14 = xiv

19 = xix

That would be VII-V-MMIV. An easy number to remember.

The roman numeral "m d cc lxxxv1" translates to 1786 in decimal notation.

To represent forty five in Roman numerals, you would write it as "XLV." The numeral "XL" represents 40, and "V" represents 5, making a total of forty-five.

If you mean MMXXI then it is the equivalent of 2021

In today's terms 1988 in Roman numerals is: MCMLXXXVIII

Since the digits are separated by a space they represent the numbers 22 & 9

There is technically no D it is an I and then a backwards C, but the numbers you have listed, coupled with the changed D equals 249 :-)

We still use Roman numerals to a certain extent today but the Roman numeral system was replaced by the Hindu-Arabic numeral system because it contained a zero symbol thus making arithmetical operations a lot easier whereas the Roman numeral system has no zero symbol and mathematical operations were much more difficult.

I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII, XIII, XIV, XV, XVI, XVII, XVIII, XIX, XX, XXI, XXII, XXIII, XXIV, XXV, XXVI, XXVII, XXVIII, XXIX, XXX, XXXI, XXXII, XXXIII, XXXIV, XXXV, XXXVI, XXXVII, XXXVIII, XXXIX, XL XLI, XLII, XLIII, XLIV, XLV, XLVI, XLVII, XLVIII, XLIX, L

(C) = 1,000*100 = 100,000

The system is essentially base 10, since a numeral can always be

broken into parts for each power of ten:

M CM LX VII

1 9 6 7

It's base is: 10

because it represents the state of an abacus (which has ones and fives for each base ten digit),

and agrees with their base ten names for numbers (using hundreds,

thousands, and so on). It is not a _positional_ system (which accounts

for the lack of a zero) but that does not mean it is not a _base ten_

system. I've somewhere heard it described as a sort of mix of bases

five and ten, but I don't think that's really significant. Essentially

it is base ten, with combinations of symbols used for each digit.

LXXVI is the Roman numeral representation for the number 76.

On Converting between Arabic and Roman Numbers ,we get :

LVII in roman numerals is :

57

Roman numerals are called so because they were used by the ancient Romans as their numbering system. The Romans adapted and modified the Etruscan numerals, which in turn were derived from the ancient Greek numeral system. The use of these numerals continued throughout the Roman Empire and have since become a widely recognized system for representing numbers in various contexts.

It is: IX-III-MMXI