### Read and Write Roman Numeral XVIII

Roman numeral symbols are written and read from left to right, from highest to lowest values. If XVIII is text, it is the number 18. Find XVIII in numbers and convert XVIII to decimal and binary..

### Miscellaneous & Conversions For 18

 Text Eightteen Roman Numeral: 18 XVIII RGB Colour (# 012 or #000012)

 Decimal / Number 18 Binary 10010 Ternary 200 Hexadecimal (Hex) 0x12 Quaternary 102 Quinary 33 Senary (Heximal) 30 Octal 22 Duodecimal (Dozenal) 16

### Mathematics

 Prime Factors: 2 x 3 x 3 = 18 Factorial: 18! 6402373705728000 Harshad Number: 18 True Triangular Number Of 18 171 Square Root: √18 4.24264068712 Cube Root (Root 3): 3√18 2.62074139421 Tesseract Root (Root 4): 4√18 2.05976714391 Quintal / nth Root. (Root 5) 5√18 1.78260245797 ¾ Root 8.73885189073 Fibonnaci # 18 2584 Recipricol 1/ 18 0.0555555555556 Quarter 1/4 4.50 or 4.50/18 Half 1/2 9 or 9/18 Third 1/3 6 or 6/18

### Roman Numeral Chart. Read & Write 18

Reading and writing roman numerals isn't common knowledge. However, this roman numeral chart should help you read and write numbers in roman numerals from 1 to 1,000,000. Using an overline symbol is times 1,000. ( Example: X means to add 3 zeros to your number. So X which is 5, but written as X with the overline is 5,000.

• When a symbol appears after a larger symbol it is added: Example: VI = V + I = 5 + 1 = 6
• When a symbol appears before a larger symbol it is subtracted: Example: IX = X - I = 10 - 1 = 9
• Do not use the same symbol more than 3 times. But, IIII is sometimes used for 4
 1 I 10 x 500 D 1,001 MI 2 II 20 XX 501 DI 1,002 MII 3 III 30 XXX 530 DXXX 1,030 MXXX 4 IV 40 XL 550 DL 1,550 MDL 5 V 50 L 600 DC 1,555 MDLV 6 VI 60 LX 650 DCL 5,000 V 7 VII 70 LXX 700 DCC 10,000 X 8 VIII 80 LXXX 800 DCCC 50,000 L 9 IX 90 XC 890 DCCCXC 100,000 C 10 X 95 XCV 900 CM 500,000 D 11 XI 99 XCIX 950 CML 1,000,000 M 12 XII... 100 C 1000 M
 31 xxxi 34 xxxiv 32 xxxii 1,031 mxxxi 131 cxxxi 38 xxxviii 3,037 mmmxxxvii 35 xxxv

2% Fibonacci
38% Numbers
20% Binary