RIGHT ARROW WITH SMALL CIRCLE·U+21F4

Character Information

Code Point
U+21F4
HEX
21F4
Unicode Plane
Basic Multilingual Plane
Category
Math Symbol

Character Representations

Click elements to copy
EncodingHexBinary
UTF8
E2 87 B4
11100010 10000111 10110100
UTF16 (big Endian)
21 F4
00100001 11110100
UTF16 (little Endian)
F4 21
11110100 00100001
UTF32 (big Endian)
00 00 21 F4
00000000 00000000 00100001 11110100
UTF32 (little Endian)
F4 21 00 00
11110100 00100001 00000000 00000000
HTML Entity
⇴
URI Encoded
%E2%87%B4

Description

The Unicode character U+21F4, known as RIGHT ARROW WITH SMALL CIRCLE, is a typographic symbol used in digital text to denote an arrow pointing to the right, with a small circle surrounding the tip of the arrow. This character is typically employed in mathematical notation and computer programming for representing certain arrows or directions in algorithms or diagrams. While it doesn't have any specific cultural, linguistic, or technical context beyond its role as a specialized symbol in these fields, it serves an important purpose in enhancing clarity and readability of the material it is used within. The Unicode character U+21F4 contributes to the precision and conciseness of mathematical equations and programming code, making complex concepts easier to understand for those who are familiar with its usage.

How to type the symbol on Windows

Hold Alt and type 8692 on the numpad. Or use Character Map.

  1. Step 1: Determine the UTF-8 encoding bit layout

    The character has the Unicode code point U+21F4. In UTF-8, it is encoded using 3 bytes because its codepoint is in the range of 0x0800 to 0xffff.

    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 the x are the payload bits.

    UTF-8 Encoding bit layout by codepoint range
    Codepoint RangeBytesBit patternPayload length
    U+0000 - U+007F10xxxxxxx7 bits
    U+0080 - U+07FF2110xxxxx 10xxxxxx11 bits
    U+0800 - U+FFFF31110xxxx 10xxxxxx 10xxxxxx16 bits
    U+10000 - U+10FFFF411110xxx 10xxxxxx 10xxxxxx 10xxxxxx21 bits
  2. Step 2: Obtain the payload bits:

    Convert the hexadecimal code point U+21F4 to binary: 00100001 11110100. Those are the payload bits.

  3. 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 10000111 10110100