Step 1: Determine the UTF-8 encoding bit layout
The character ⤅ has the Unicode code point U+2905. 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+2905 to binary:
00101001 00000101. 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 10100100 10000101
RIGHTWARDS TWO-HEADED ARROW FROM BAR·U+2905
⤅
Character Information
Code Point
U+2905
HEX
2905
Unicode Plane
Basic Multilingual Plane
Category
Math Symbol
Character Representations
Click elements to copy| Encoding | Hex | Binary |
|---|---|---|
| UTF8 | E2 A4 85 | 11100010 10100100 10000101 |
| UTF16 (big Endian) | 29 05 | 00101001 00000101 |
| UTF16 (little Endian) | 05 29 | 00000101 00101001 |
| UTF32 (big Endian) | 00 00 29 05 | 00000000 00000000 00101001 00000101 |
| UTF32 (little Endian) | 05 29 00 00 | 00000101 00101001 00000000 00000000 |
HTML Entity
⤅
URI Encoded
%E2%A4%85
Description
The Unicode character U+2905, known as the RIGHTWARDS TWO-HEADED ARROW FROM BAR, is a symbol commonly used in digital text to represent a bijective function or a two-sided mapping between sets. It depicts a rightward-facing arrow with two heads connected by a horizontal bar, which visually indicates the inverse relationship of the mapping. This character finds its application in fields such as mathematics, computer science, and engineering, where it is often used to represent an equivalence relation or a reversible function in algorithms, proofs, and mathematical models. U+2905 contributes significantly to clarity and precision in these contexts by providing a concise visual representation of the concept of bidirectionality or two-way mapping.
How to type the ⤅ symbol on Windows
Hold Alt and type 10501 on the numpad. Or use Character Map.