Step 1: Determine the UTF-8 encoding bit layout
The character ② has the Unicode code point U+2461. In UTF-8, it is encoded using 3 bytes because its codepoint is in the range of
0x0800
to0xffff
.
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 thex
are 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+2461 to binary:
00100100 01100001
. 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 10010001 10100001
CIRCLED DIGIT TWO·U+2461
Character Information
Character Representations
Click elements to copyEncoding | Hex | Binary |
---|---|---|
UTF8 | E2 91 A1 | 11100010 10010001 10100001 |
UTF16 (big Endian) | 24 61 | 00100100 01100001 |
UTF16 (little Endian) | 61 24 | 01100001 00100100 |
UTF32 (big Endian) | 00 00 24 61 | 00000000 00000000 00100100 01100001 |
UTF32 (little Endian) | 61 24 00 00 | 01100001 00100100 00000000 00000000 |
Description
The Unicode character U+2461, also known as CIRCLED DIGIT TWO, is a typographical symbol commonly employed in digital text to represent the numeral '2' within a circular format. This character is often used in various mathematical equations, statistical notations, or as a component in graphical user interface (GUI) elements where a circular appearance of digits is required for aesthetic purposes. The usage of CIRCLED DIGIT TWO allows for improved visual distinction and clarity in text, especially when differentiating between similar-looking numerals or enhancing the readability of data sets. Despite its cultural and linguistic neutrality, this character contributes to the richness and versatility of typography in digital communication, catering to diverse design preferences and applications across multiple platforms and industries.
How to type the ② symbol on Windows
Hold Alt and type 9313 on the numpad. Or use Character Map.