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<section id="numpy-base-repr">
<h1>numpy.base_repr<a class="headerlink" href="#numpy-base-repr" title="Link to this heading">#</a></h1>
<dl class="py function">
<dt class="sig sig-object py" id="numpy.base_repr">
<span class="sig-prename descclassname"><span class="pre">numpy.</span></span><span class="sig-name descname"><span class="pre">base_repr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">number</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">base</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">padding</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/numpy/numpy/blob/main/numpy/_core/numeric.py#L2122-L2177"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#numpy.base_repr" title="Link to this definition">#</a></dt>
<dd><p>Return a string representation of a number in the given base system.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><dl class="simple">
<dt><strong>number</strong><span class="classifier">int</span></dt><dd><p>The value to convert. Positive and negative values are handled.</p>
</dd>
<dt><strong>base</strong><span class="classifier">int, optional</span></dt><dd><p>Convert <a class="reference internal" href="../arrays.scalars.html#numpy.number" title="numpy.number"><code class="xref py py-obj docutils literal notranslate"><span class="pre">number</span></code></a> to the <em class="xref py py-obj">base</em> number system. The valid range is 2-36,
the default value is 2.</p>
</dd>
<dt><strong>padding</strong><span class="classifier">int, optional</span></dt><dd><p>Number of zeros padded on the left. Default is 0 (no padding).</p>
</dd>
</dl>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><dl class="simple">
<dt><strong>out</strong><span class="classifier">str</span></dt><dd><p>String representation of <a class="reference internal" href="../arrays.scalars.html#numpy.number" title="numpy.number"><code class="xref py py-obj docutils literal notranslate"><span class="pre">number</span></code></a> in <em class="xref py py-obj">base</em> system.</p>
</dd>
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</dd>
</dl>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<dl class="simple">
<dt><a class="reference internal" href="numpy.binary_repr.html#numpy.binary_repr" title="numpy.binary_repr"><code class="xref py py-obj docutils literal notranslate"><span class="pre">binary_repr</span></code></a></dt><dd><p>Faster version of <a class="reference internal" href="#numpy.base_repr" title="numpy.base_repr"><code class="xref py py-obj docutils literal notranslate"><span class="pre">base_repr</span></code></a> for base 2.</p>
</dd>
</dl>
</div>
<p class="rubric">Examples</p>
<div class="try_examples_outer_container docutils container" id="ff2c1ccf-89fc-4d5e-af95-56ab1a3de41e">
<div class="try_examples_button_container"><button class="try_examples_button" onclick="window.tryExamplesShowIframe('ff2c1ccf-89fc-4d5e-af95-56ab1a3de41e','61b06f78-7212-47c6-9dbd-894c0a0466d2','c9483d43-b288-4102-b8d6-921918d00bf2','../../lite/tree/../notebooks/index.html?path=541827db_1233_4e33_8a56_5eba81861cd0.ipynb','None')">Try it in your browser!</button></div><div class="try_examples_content docutils container">
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">import</span><span class="w"> </span><span class="nn">numpy</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">np</span>
<span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">base_repr</span><span class="p">(</span><span class="mi">5</span><span class="p">)</span>
<span class="go">'101'</span>
<span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">base_repr</span><span class="p">(</span><span class="mi">6</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span>
<span class="go">'11'</span>
<span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">base_repr</span><span class="p">(</span><span class="mi">7</span><span class="p">,</span> <span class="n">base</span><span class="o">=</span><span class="mi">5</span><span class="p">,</span> <span class="n">padding</span><span class="o">=</span><span class="mi">3</span><span class="p">)</span>
<span class="go">'00012'</span>
</pre></div>
</div>
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">base_repr</span><span class="p">(</span><span class="mi">10</span><span class="p">,</span> <span class="n">base</span><span class="o">=</span><span class="mi">16</span><span class="p">)</span>
<span class="go">'A'</span>
<span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">base_repr</span><span class="p">(</span><span class="mi">32</span><span class="p">,</span> <span class="n">base</span><span class="o">=</span><span class="mi">16</span><span class="p">)</span>
<span class="go">'20'</span>
</pre></div>
</div>
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