Step 1: Determine the UTF-8 encoding bit layout
The character ∞ has the Unicode code point U+221E. In UTF-8, it is encoded using 3 bytes because its codepoint is in the range of
0x0800to0xffff.
Therefore we know that the UTF-8 encoding will be done over 16 bits within the final 24 bits and that it will have the format:1110xxxx 10xxxxxx 10xxxxxx
Where thexare the payload bits.UTF-8 Encoding bit layout by codepoint range Codepoint Range Bytes Bit pattern Payload length U+0000 - U+007F 1 0xxxxxxx 7 bits U+0080 - U+07FF 2 110xxxxx 10xxxxxx 11 bits U+0800 - U+FFFF 3 1110xxxx 10xxxxxx 10xxxxxx 16 bits U+10000 - U+10FFFF 4 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx 21 bits Step 2: Obtain the payload bits:
Convert the hexadecimal code point U+221E to binary:
00100010 00011110. Those are the payload bits.Step 3: Fill in the bits to match the bit pattern:
Obtain the final bytes by arranging the paylod bits to match the bit layout:
11100010 10001000 10011110
INFINITY·U+221E
∞
Character Information
Code Point
U+221E
HEX
221E
Unicode Plane
Basic Multilingual Plane
Category
Math Symbol
Character Representations
Click elements to copy| Encoding | Hex | Binary |
|---|---|---|
| UTF8 | E2 88 9E | 11100010 10001000 10011110 |
| UTF16 (big Endian) | 22 1E | 00100010 00011110 |
| UTF16 (little Endian) | 1E 22 | 00011110 00100010 |
| UTF32 (big Endian) | 00 00 22 1E | 00000000 00000000 00100010 00011110 |
| UTF32 (little Endian) | 1E 22 00 00 | 00011110 00100010 00000000 00000000 |
HTML Entity
∞
URI Encoded
%E2%88%9E
Description
U+221E is the Unicode character code for the symbol "∞," which is commonly known as Infinity. This symbol holds a significant position in mathematics, particularly in calculus and algebra, where it is used to represent an unlimited or boundless quantity or value that extends infinitely far in either direction. It is often utilized in equations and diagrams involving infinite series, infinite sets, and continuous variables. Furthermore, Infinity has cultural implications in various philosophical, religious, and spiritual contexts, often symbolizing the concept of eternity or limitless potential.
How to type the ∞ symbol on Windows
Hold Alt and type 8734 on the numpad. Or use Character Map.