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Roman Numerals 1 to 400
Roman Numerals 1 to 400 is the list of numbers from 1 to 400 represented in their corresponding roman numeral translation. Roman Numerals 1 to 400 will help students to learn numbers to roman numeral translations effortlessly. In this article, we have simplified all the rules that are followed while writing roman numerals from 1 to 400.
Roman Numbers 1 to 400 Chart
Printable roman numbers 1 to 400 chart is provided to assist students in prioritizing and planning their revision.
1.  Roman Numerals from 1 to 400 
2.  PDF Download 
3.  How to Write Roman Numerals? 
4.  FAQs 
Roman Numerals from 1 to 400
Roman numerals 1 to 400 can help understand numbers to roman numerals conversion for numbers up to 400. The list of roman numerals from 1 to 400 is listed in the table below.
List of Roman Numerals from 1 to 400
1: I 
2: II 
3: III 
4: IV 
5: V 
6: VI 
7: VII 
8: VIII 
9: IX 
10: X 
11: XI 
12: XII 
13: XIII 
14: XIV 
15: XV 
16: XVI 
17: XVII 
18: XVIII 
19: XIX 
20: XX 
21: XXI 
22: XXII 
23: XXIII 
24: XXIV 
25: XXV 
30: XXX 
35: XXXV 
40: XL 
45: XLV 
50: L 
130: CXXX 
135: CXXXV 
140: CXL 
145: CXLV 
150: CL 
155: CLV 
160: CLX 
165: CLXV 
170: CLXX 
175: CLXXV 
180: CLXXX 
185: CLXXXV 
190: CXC 
195: CXCV 
200: CC 
205: CCV 
210: CCX 
215: CCXV 
220: CCXX 
225: CCXXV 
230: CCXXX 
235: CCXXXV 
240: CCXL 
245: CCXLV 
250: CCL 
255: CCLV 
260: CCLX 
265: CCLXV 
270: CCLXX 
275: CCLXXV 
280: CCLXXX 
285: CCLXXXV 
290: CCXC 
295: CCXCV 
300: CCC 
310: CCCX 
320: CCCXX 
330: CCCXXX 
340: CCCXL 
350: CCCL 
360: CCCLX 
370: CCCLXX 
380: CCCLXXX 
390: CCCXC 
400: CD 
We have provided a printable reference sheet with the above information in an easytoprint format. Students are advised to practice roman numerals 1 to 400 for easy math calculations.
How to Write Roman Numerals 1 to 400?
Roman numerals 1 to 400 can be obtained by using any of the two given below methods:
 Method 1: In this method, we break 323 into the least expandable form, write their respective roman letter and add/subtract them, i.e. 323 = 100 + 100 + 100 + 10 + 10 + 1 + 1 + 1 = C + C + C + X + X + I + I + I = CCCXXIII
 Method 2: In this method, we consider the groups of numbers for addition such as: 323 = 300 + 20 + 3 = CCC + XX + III = CCCXXIII
Any of the above two methods can be used for writing Roman Numerals from 1 to 400.
☛ Also Check: Roman Numerals Calculator
Rules to Write Roman Numerals from 1 to 400
Certain rules are to be followed while writing roman numbers from 1 to 400. These rules are explained here in detail.
 When a bigger letter precedes a smaller letter, the letters are added. For example: MI, M > I, so MI = M + I = 1000 + 1 = 1001.
 When a smaller letter precedes a bigger letter, the letters are subtracted. For example: CM, C < M, so CM = M  C = 1000  100 = 900.
 When a letter is repeated multiple times, they get added. For example: XXX = X + X + X = 10 + 10 + 10 = 30
 The same letter cannot be used more than three times in succession. V, L, and D cannot be repeated, they appear only once.
Roman Numerals 1 to 400 Examples

Example 1: Find the Value of CCCLXXXIX + (CLVI  XXV) + CCXXIX.
Solution:
Using Roman numerals 1 to 400 chart: CCCLXXXIX = 300 + 80 + 9 = 389, CLVI = 100 + 50 + 6 = 156, XXV = 20 + 5 = 25, CCXXIX = 200 + 20 + 9 = 229.
Therefore, CCCLXXXIX + (CLVI  XXV) + CCXXIX = 389 + (156  25) + 229 = 749
Now, 749 = 500 + 100 + 100 + (50  10) + (10  1) = D + C + C + (L  X) + (X  I) = DCCXLIX 
Example 2: Using Roman numerals 1 to 400 chart, find the product of CCLXXII and I.
Solution:
CCLXXII = 200 + 70 + 2 = 272 and I = 1
Now, CCLXXII × I = 272 × 1 = 272
Since, 272 = 100 + 100 + 50 + 10 + 10 + 1 + 1 = C + C + L + X + X + I + I = CCLXXII
Therefore, the product of CCLXXII and I is CCLXXII. 
Example 3: Using your knowledge of Roman numerals 1 to 400, Find the value of CCLIV  CCXLIX.
Solution:
CCLIV = 200 + 50 + 4 = 254 and CCXLIX = 200 + 40 + 9 = 249. Therefore, CCLIV  CCXLIX = 254  249 = 5.
Now, V = 5 
Example 4: Find all Perfect Cubes between Roman Numerals from 1 to 400.
Solution:
All perfect cubes from 1 to 400 are 1, 8, 27, 64, 125, 216, 343. Therefore, perfect cubes in roman numerals between roman numerals 1 to 400 are I, VIII, XXVII, LXIV, CXXV, CCXVI, CCCXLIII.
FAQs on Roman Numerals 1 to 400
What do Roman Numerals 1 to 400 Mean?
Roman Numerals 1 to 400 is a chart that represents numbers from 1 to 400 in roman numerals. It consists of a notation of numbers 1 to 400 used by the Romans in ancient times.
How Many Square Numbers are there Between Roman Numbers 1 to 400?
Perfect Square between roman numbers 1 to 400 are: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361, 400. This implies, there are 20 = XX perfect square numbers between roman numbers 1 to 400.
How Many Twin Prime Numbers are There Between Roman Numerals 1 to 400?
Twin prime numbers are prime numbers whose absolute difference is 2. Twin prime number pairs between 1 to 400 are: (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61), (71, 73), (101, 103), (107, 109), (137, 139), (149, 151), (179, 181), (191, 193), (197, 199), (227, 229), (239, 241), (269, 271), (281, 283), (311, 313), (347, 349). Therefore, between roman numerals 1 and 400, there are 21 twin prime numbers.
What is the Value of XXXIX + (CCCLVI  CXXXV) + CCXLVII?
Using Roman Numbers 1 to 400 chart, XXXIX = 39, CCCLVI = 356, CXXXV = 135, CCXLVII = 247. Converting the given problem into numbers, we have XXXIX + (CCCLVI  CXXXV) + CCXLVII = 39 + (356  135) + 247 = 507 = DVII
How do you Write Roman Numerals from 1 to 400?
To write 1 to 400 in roman numerals, the conversion involves breaking the numbers based on place values (ones, tens, hundreds, thousands). For example, let us consider the number 376.
 Hundreds = 300 = CCC
 Tens = 70 = LXX
 Ones = 6 = VI
 Number = 376 = CCCLXXVI
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