</td>
		<td>2</td>
		<td>3</td></tr>
	<tr>
		<td>2</td>
		<td>2</td>
		<td>10</td>
		<td>12</td>
	</tr>
	<tr>
		<td>3</td>
		<td>3</td>
		<td>12</td>
		<td>21</td>
	</tr>
</table>
<h2>Binary numbers are a base 2 numeral system.</h2>

<p>A binary number is a number expressed in the base-2 numeral system, which
uses only two symbols: 0 and 1. Each digit is referred to as a bit. Because of
its straightforward implementation in digital electronic circuitry using logic
gates, the binary system is used by almost 