<p><a href="https://www.prepswift.com/quizzes/quiz/prepswift-0-is-strange" target="_blank">0 is Strange Exercise</a></p><p>Zero is a weird beast.</p>
<ul>
<li>It is neither positive nor negative.</li>
<li>It is even (because it's divisible by $2$).</li>
<li>It is a multiple of EVERY integer.</li>
<li>It's a factor only of itself.</li>
</ul>