Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Omega
Table title:
Technical omega symbols
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Character </th><th colspan=2 rowspan=1 > ⍵ </th><th colspan=2 rowspan=1 > ⍹ </th><th colspan=2 rowspan=1 > Ω </th><th colspan=2 rowspan=1 > ℧ </th></tr>
<tr> <td colspan=1 rowspan=1 > Unicode name </td><td colspan=2 rowspan=1 > APL FUNCTIONAL SYMBOL OMEGA </td><td colspan=2 rowspan=1 > APL FUNCTIONAL SYMBOL OMEGA UNDERBAR </td><td colspan=2 rowspan=1 > OHM SIGN </td><td colspan=2 rowspan=1 > INVERTED OHM SIGN </td></tr>
<tr> <th colspan=1 rowspan=1 > Encodings </th><th colspan=1 rowspan=1 > decimal </th><th colspan=1 rowspan=1 > hex </th><th colspan=1 rowspan=1 > decimal </th><th colspan=1 rowspan=1 > hex </th><th colspan=1 rowspan=1 > decimal </th><th colspan=1 rowspan=1 > hex </th><th colspan=1 rowspan=1 > decimal </th><th colspan=1 rowspan=1 > hex </th></tr>
<tr> <td colspan=1 rowspan=1 > Unicode </td><td colspan=1 rowspan=1 > 9077 </td><td colspan=1 rowspan=1 > U+2375 </td><td colspan=1 rowspan=1 > 9081 </td><td colspan=1 rowspan=1 > U+2379 </td><td colspan=1 rowspan=1 > 8486 </td><td class="highlighted"  colspan=1 rowspan=1 > U+2126 </td><td colspan=1 rowspan=1 > 8487 </td><td colspan=1 rowspan=1 > U+2127 </td></tr>
<tr> <td colspan=1 rowspan=1 > UTF-8 </td><td colspan=1 rowspan=1 > 226 141 181 </td><td colspan=1 rowspan=1 > E2 8D B5 </td><td colspan=1 rowspan=1 > 226 141 185 </td><td colspan=1 rowspan=1 > E2 8D B9 </td><td colspan=1 rowspan=1 > 226 132 166 </td><td colspan=1 rowspan=1 > E2 84 A6 </td><td colspan=1 rowspan=1 > 226 132 167 </td><td colspan=1 rowspan=1 > E2 84 A7 </td></tr>
<tr> <td colspan=1 rowspan=1 > Numeric character reference </td><td colspan=1 rowspan=1 > ⍵ </td><td colspan=1 rowspan=1 > ⍵ </td><td colspan=1 rowspan=1 > ⍹ </td><td colspan=1 rowspan=1 > ⍹ </td><td colspan=1 rowspan=1 > Ω </td><td class="highlighted"  colspan=1 rowspan=1 > Ω </td><td colspan=1 rowspan=1 > ℧ </td><td colspan=1 rowspan=1 > ℧ </td></tr>
</table>
Question:
In hex encoding, how is the ohm sign represented in unicode and what is its numeric character reference?
Answer:
Unicode has the ohm sign (U+2126, Ω).