0x039F
0x039F is the hexadecimal notation for the Unicode code point U+039F, which identifies the character GREEK CAPITAL LETTER OMICRON. In Unicode, this character represents the uppercase form of the Greek letter omicron, used in the Greek alphabet and in texts written in Greek.
The code point U+039F belongs to the Greek and Coptic block and has the general category Lu
Encoding and representations: In UTF-8, U+039F is encoded as the two-byte sequence 0xCE 0x9F. In UTF-16, it
Usage: 0x039F/U+039F is used whenever the uppercase Greek omicron appears in Greek-language material, academic works on
See also: Greek capital letters such as U+0391 (Alpha) and U+039F (Omicron), the Greek and Coptic Unicode