Step 1: Determine the UTF-8 encoding bit layout
The character ⑳ has the Unicode code point U+2473. 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+2473 to binary:
00100100 01110011
. 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 10110011
CIRCLED NUMBER TWENTY·U+2473
Character Information
Character Representations
Click elements to copyEncoding | Hex | Binary |
---|---|---|
UTF8 | E2 91 B3 | 11100010 10010001 10110011 |
UTF16 (big Endian) | 24 73 | 00100100 01110011 |
UTF16 (little Endian) | 73 24 | 01110011 00100100 |
UTF32 (big Endian) | 00 00 24 73 | 00000000 00000000 00100100 01110011 |
UTF32 (little Endian) | 73 24 00 00 | 01110011 00100100 00000000 00000000 |
Description
U+2473, or CIRCLED NUMBER TWENTY, is a character from the Unicode standard that represents a numeral enclosed within a circle. Typical usage of this character in digital text includes its use in mathematical equations, scientific notation, and engineering calculations to denote values greater than 19. The symbol serves as an alternative to the standard Arabic numeral '20' and is commonly used in applications where a more visually distinct representation is desired. While it does not have any specific cultural or linguistic significance, its usage can help avoid ambiguity in certain contexts, such as programming languages, where it can be mistaken for the letter 'O'. In these cases, using CIRCLED NUMBER TWENTY ensures clarity and prevents potential errors.
How to type the ⑳ symbol on Windows
Hold Alt and type 9331 on the numpad. Or use Character Map.