What are all of the Roman numerals?

Answer 1

Roman numerals use a basic set of seven symbols:

I or i for one,
V or v for five,
X or x for ten,
L or l for fifty,
C or c for one hundred (centum),
D or d for five hundred,
M or m for one thousand (mille).
For the numbers not assigned a specific symbol, the above given symbols are combined:

II or ii for two,
III or iii for three,
IV, iv, IIII or iiii for four,
VI or vi for six,
VII or vii for seven,
VIII or viii for eight,
IX or ix for nine.
For large numbers (five thousand and above), a bar is placed above a base numeral to indicate multiplication by 1000:

V for five thousand
X for ten thousand
L for fifty thousand
C for one hundred thousand
D for five hundred thousand
M for one million
For very large numbers (five million and above), there is no standard format, although sometimes a double bar or underline is used to indicate multiplication by 1,000,000. That means an underline X (X) is ten million.

Answer 2

Roman Numeral Table
1 I 14 XIV 27 XXVII 150 CL
2 II 15 XV 28 XXVIII 200 CC
3 III 16 XVI 29 XXIX 300 CCC
4 IV 17 XVII 30 XXX 400 CD
5 V 18 XVIII 31 XXXI 500 D
6 VI 19 XIX 40 XL 600 DC
7 VII 20 XX 50 L 700 DCC
8 VIII 21 XXI 60 LX 800 DCCC
9 IX 22 XXII 70 LXX 900 CM
10 X 23 XXIII 80 LXXX 1000 M
11 XI 24 XXIV 90 XC 1600 MDC
12 XII 25 XXV 100 C 1700 MDCC
13 XIII 26 XXVI 101 CI 1900 MCM

Answer 3

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Thank You!!

The Romans were active in trade and commerce, and from the time of learning to write they needed a way to indicate numbers. The system they developed lasted many centuries, and still sees some specialized use today.

Roman numerals traditionally indicate the order of rulers or ships who share the same name (i.e. Queen Elizabeth II). They are also sometimes still used in the publishing industry for copyright dates, and on cornerstones and gravestones when the owner of a building or the family of the deceased wishes to create an impression of classical dignity. The Roman numbering system also lives on in our languages, which still use Latin word roots to express numerical ideas. A few examples: unilateral, duo, quadricep, septuagenarian, decade, milliliter.

The big differences between Roman and Arabic numerals (the ones we use today) are that Romans didn't have a symbol for zero, and that numeral placement within a number can sometimes indicate subtraction rather than addition.

Here are the basics:

I The easiest way to note down a number is to make that many marks - little I's. Thus I means 1, II means 2, III means 3. However, four strokes seemed like too many....
V So the Romans moved on to the symbol for 5 - V. Placing I in front of the V — or placing any smaller number in front of any larger number — indicates subtraction. So IV means 4. After V comes a series of additions - VI means 6, VII means 7, VIII means 8.
X X means 10. But wait — what about 9? Same deal. IX means to subtract I from X, leaving 9. Numbers in the teens, twenties and thirties follow the same form as the first set, only with X's indicating the number of tens. So XXXI is 31, and XXIV is 24.
L L means 50. Based on what you've learned, I bet you can figure out what 40 is. If you guessed XL, you're right = 10 subtracted from 50. And thus 60, 70, and 80 are LX, LXX and LXXX.
C C stands for centum, the Latin word for 100. A centurion led 100 men. We still use this in words like "century" and "cent." The subtraction rule means 90 is written as XC. Like the X's and L's, the C's are tacked on to the beginning of numbers to indicate how many hundreds there are: CCCLXIX is 369.
D D stands for 500. As you can probably guess by this time, CD means 400. So CDXLVIII is 448. (See why we switched systems?)
M M is 1,000. You see a lot of Ms because Roman numerals are used a lot to indicate dates. For instance, this page was written in the year of Nova Roma's founding, 1998 CE (Common Era; Christians use AD for Anno Domini, "year of our Lord"). That year is written as MCMXCVIII. But wait! Nova Roma counts years from the founding of Rome, ab urbe condita. By that reckoning Nova Roma was founded in 2751 a.u.c. or MMDCCLI.

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V

Larger numbers were indicated by putting a horizontal line over them, which meant to multiply the number by 1,000. Hence the V at left has a line over the top, which means 5,000. This usage is no longer current, because the largest numbers usually expressed in the Roman system are dates, as discussed above.

Answer 4

each letter has a certain value;
the value is the same whether small or capitalized
a smaller value to the left of a larger value subtracts from the larger value;
1 => i or I
2 => ii or II
3 => iii or III
4 => iv or IV
5 => v or V
6 => vi or VI;
7 => vii or VII
8 => viii or VIII
9 => ix or IX
10 => x or X
50 => l or L
100 => c or C
500 => d or D
1000 => m or M
above 1000, they put a line above to mean multiply by 1000
thus 50'000 was a L with a line over it and anything added to it came to the right.
never heard of a Roman mathematician, did we >;)

Answer 5

Roman numerals use a basic set of seven symbols:

I or i for one,
V or v for five,
X or x for ten,
L or l for fifty,
C or c for one hundred (centum),
D or d for five hundred,
M or m for one thousand (mille).
For the numbers not assigned a specific symbol, the above given symbols are combined:

II or ii for two,
III or iii for three,
IV, iv, IIII or iiii for four,
VI or vi for six,
VII or vii for seven,
VIII or viii for eight,
IX or ix for nine.
For large numbers (five thousand and above), a bar is placed above a base numeral to indicate multiplication by 1000:

V for five thousand
X for ten thousand
L for fifty thousand
C for one hundred thousand
D for five hundred thousand
M for one million
For very large numbers (five million and above), there is no standard format, although sometimes a double bar or underline is used to indicate multiplication by 1,000,000. That means an underline X (X) is ten million.

Answer 6

i, ii, iii, iv, v, vi, vii, viii, ix, x
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
I think

Answer 7

I=1
II=2
III=3
IV=4
V=5
VI=6
VII=7
VIII=8
IX=9
X=10
XI=11
XII=12
XIII=13

and that's all i can think of right now. hope that helps. :-)

Answer 8

I, V, X, L, C, D, M

Answer 9

try