GREEK CAPITAL LETTER OMEGA·U+03A9

Ω

Character Information

Code Point
U+03A9
HEX
03A9
Unicode Plane
Basic Multilingual Plane
Category
Uppercase Letter

Character Representations

Click elements to copy
EncodingHexBinary
UTF8
CE A9
11001110 10101001
UTF16 (big Endian)
03 A9
00000011 10101001
UTF16 (little Endian)
A9 03
10101001 00000011
UTF32 (big Endian)
00 00 03 A9
00000000 00000000 00000011 10101001
UTF32 (little Endian)
A9 03 00 00
10101001 00000011 00000000 00000000
HTML Entity
Ω
URI Encoded
%CE%A9

Description

U+03A9 Greek Capital Letter Omega is a typographical character in the Unicode Standard, representing the first letter of the Greek alphabet. This character is predominantly used in digital text for its linguistic significance in the Greek language, as well as in mathematical and scientific contexts to denote the concept of "omega" or "Ω". In the Greek alphabet, Omega holds a vital role, serving as the basis for various numbering systems, including the Roman numeral system. Additionally, it is frequently employed in technical fields, such as engineering and physics, to represent limits, potentials, or other quantities. The character's usage in digital text ensures accurate representation of its cultural, linguistic, and technical contexts, contributing to clearer communication and understanding across various disciplines.

How to type the Ω symbol on Windows

Hold Alt and type 0937 on the numpad. Or use Character Map.

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

    The character Ω has the Unicode code point U+03A9. In UTF-8, it is encoded using 2 bytes because its codepoint is in the range of 0x0080 to 0x07ff.

    Therefore we know that the UTF-8 encoding will be done over 11 bits within the final 16 bits and that it will have the format: 110xxxxx 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+03A9 to binary: 00000011 10101001. 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:
    11001110 10101001