span>
  bigints, sugar</code></pre>
<h2>Rosetta code</h2>
<h3><a href="http://rosettacode.org/wiki/Arbitrary-precision_integers_(included)">Arbitrary-precision integers</a></h3>
<p>$$5^{4^{3^2}}$$</p>
<pre><code class="nim hljs"><span class="hljs-keyword">var</span> x = <span class="hljs-number">5.</span>pow <span class="hljs-number">4.</span>pow <span class="hljs-number">3.</span>pow <span class="hljs-number">2</span>
<span class="hljs-keyword">var</span> s = $x
<span class="hljs-keyword">echo</span> s[<sp