Ⅰ
Technical information
| Symbol | Ⅰ | |
| Name | Roman numeral one | |
| Unicode number | U+2160 | |
| Category | Roman numerals | |
| Description | The Unicode character Ⅰ, or U+2160, is known as the "Roman Numeral One". It falls under the "Number Forms" block and the "Letter, Uppercase" category in the Unicode standard. As its name suggests, this character represents the number one in the Roman numeral system, a numeral system originating from ancient Rome. The symbol is widely used in a variety of contexts, such as in outlines, clock faces, book chapters, and movie sequels, to denote a sequence or order, or in historical contexts to signify a year or a monarch's reign. |
Encoding
| HTML Entity | Ⅰ | |
| HTML Entity (hex) | Ⅰ | |
| URL Escape Code | %E2%85%A0 | |
| UTF-8 (hex) | 0xE2 0x85 0xA0 | |
| UTF-8 (binary) | 11100010:10000101:10100000 | |
| UTF-16 | 0x2160 | |
| UTF-32 | 0x00002160 |
Source Code
| C, C++, and Java | "\u2160" | |
| CSS Code | \2160 | |
| JavaScript | "\u2160" | |
| Perl | \x{2160} | |
| Python 2 | u"\u2160" | |
| Python 3 | \u2160 | |
| Ruby | \u{2160} |
Preview
This Unicode character looks like this Ⅰ in sentence and in bold like this Ⅰ and in italic like this Ⅰ.
input-group
Font size:
Ⅰ
12px
Ⅰ
16px
Ⅰ
20px
Ⅰ
28px
Ⅰ
36px
Ⅰ
48px
Ⅰ
72px
CSS Property: font-weight
Ⅰ
100
Ⅰ
200
Ⅰ
300
Ⅰ
400
Ⅰ
500
Ⅰ
600
Ⅰ
700
Ⅰ
800
Ⅰ
900
HTML Forms and Input
input
disabled input
Ⅰ
select
button
button
Code examples in HTML and CSS
<span>Ⅰ</span>
span {
content: "\2160";
}The symbol in different fonts
Ⅰ
-apple-system
Ⅰ
Apple Color Emoji
Ⅰ
Arial
Ⅰ
BlinkMacSystemFont
Ⅰ
Courier New
Ⅰ
Georgia
Ⅰ
Droid Sans
Ⅰ
Helvetica
Ⅰ
Noto Sans
Ⅰ
Oxygen
Ⅰ
Roboto
Ⅰ
"Segoe UI"
Ⅰ
sans-serif
Ⅰ
Segoe UI Emoji
Ⅰ
Segoe UI Symbol
Ⅰ
system-ui
Ⅰ
Times New Roman
Ⅰ
Ubuntu
Ⅰ
Verdana