The #23, rightside-up. Raises pitch 38.05 cents.
<h2><span class="mw-headline" id="Other_accidentals">Other accidentals</span></h2>
<div lang="en" dir="ltr" class="noprint plainlinks navbar mw-content-ltr" style="font-size:xx-small;line-height:normal;font-weight:normal;;white-space:nowrap;">  <a href="//commons.wikimedia.org/wiki/Template:Ben_Johnston_accidentals" title="Template:Ben Johnston accidentals"><span style="color:#002bb8;;" title="View this box.">v</span></a> <span style="font-size:80%;">•</span> <a href="//commons.wikimedia.org/w/index.php?title=Template_talk:Ben_Johnston_accidentals&amp;action=edit&amp;redlink=1" class="new" title="Template talk:Ben Johnston accidentals (page does not exist)"><span style="color:#002bb8;" title="Discuss this box.">d</span></a> <span style="font-size:80%;">•</span> <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/w/index.php?title=Template:Ben_Johnston_accidentals&amp;action=edit"><span style="color:#002bb8;" title="Edit this box. Please use the Preview button before saving.">e</span></a></span> </div>
<ul><li><a href="//commons.wikimedia.org/wiki/File:7_rightside_up.png" title="File:7 rightside up.png">#7</a> = 5·7 : 2·3<sup>2</sup> = 35 : 18 = -48.77 cents. vs. <a href="//commons.wikimedia.org/wiki/File:7_upside_down.png" title="File:7 upside down.png">#L</a></li>
<li><a href="https://en.wikipedia.org/wiki/%E2%86%91" class="extiw" title="en:↑">11</a> = 3·11 : 2<sup>5</sup> = 33 : 32 = 53.27 cents. vs. <a href="https://en.wikipedia.org/wiki/%E2%86%93" class="extiw" title="en:↓">U11</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:13_rightside_up.png" title="File:13 rightside up.png">13</a> = 5·13 : 2<sup>6</sup> = 65 : 64 = 26.84 cents. vs. <a href="//commons.wikimedia.org/wiki/File:13_upside_down.png" title="File:13 upside down.png">E1</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:17_rightside_up.png" title="File:17 rightside up.png">17</a> = 3·17 : 2·5<sup>2</sup> = 51 : 50 = 34.28 cents. vs. <a href="//commons.wikimedia.org/wiki/File:17_upside_down.png" title="File:17 upside down.png">L1</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:19_rightside_up.png" title="File:19 rightside up.png">19</a> = 5·19 : 2<sup>5</sup>·3 = 95 : 96 = -18.13 cents. vs. <a href="//commons.wikimedia.org/wiki/File:19_upside_down.png" title="File:19 upside down.png">U19</a></li>
<li><a class="mw-selflink selflink">23</a> = 2·23 : 3<sup>2</sup>·5 = 46 : 45 = 38.05 cents. vs. <a href="//commons.wikimedia.org/wiki/File:23_upside_down.png" title="File:23 upside down.png">U23</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:29_rightside_up.png" title="File:29 rightside up.png">29</a> = 5·29 : 2<sup>4</sup>·3<sup>2</sup> = 145 : 144 = 11.98 cents. vs. <a href="//commons.wikimedia.org/wiki/File:29_upside_down.png" title="File:29 upside down.png">U29</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:31_rightside_up.png" title="File:31 rightside up.png">31</a> = 31 : 2·3·5 = 31 : 30 = 56.77 cents. vs. <a href="//commons.wikimedia.org/wiki/File:31_upside_down.png" title="File:31 upside down.png">1E</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:37_upside_down.png" title="File:37 upside down.png">LE</a> = 3·5<sup>2</sup> : 2·37 = 75 : 74 = 23.24 cents. vs. <a href="//commons.wikimedia.org/wiki/File:37_rightside_up.png" title="File:37 rightside up.png">37</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:41_rightside_up.png" title="File:41 rightside up.png">41</a> = 41 : 2<sup>3</sup>·5 = 41 : 40 = 42.75 cents. vs. <a href="//commons.wikimedia.org/wiki/File:41_upside_down.png" title="File:41 upside down.png">U41</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:43_rightside_up.png" title="File:43 rightside up.png">43</a> = 3·43 : 2<sup>7</sup> = 129 : 128 = 13.47 cents. vs. <a href="//commons.wikimedia.org/wiki/File:43_upside_down.png" title="File:43 upside down.png">U43</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:47_rightside_up.png" title="File:47 rightside up.png">47</a> = 2<sup>4</sup>·3 : 47 = 48 : 47 = -36.45 cents. vs. <a href="//commons.wikimedia.org/wiki/File:47_upside_down.png" title="File:47 upside down.png">U47</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:53_rightside_up.png" title="File:53 rightside up.png">53</a> = 2<sup>5</sup>·5 : 3·53 = 160 : 159 = -10.85 cents. vs. <a href="//commons.wikimedia.org/wiki/File:53_upside_down.png" title="File:53 upside down.png">U53</a>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Septimal_supermajor_seventh_on_C.mid" title="File:Septimal supermajor seventh on C.mid">#7</a>, <a href="//commons.wikimedia.org/wiki/File:Thirty-third_harmonic_on_C.mid" title="File:Thirty-third harmonic on C.mid">11</a>, <a href="//commons.wikimedia.org/wiki/File:Sixty-fifth_harmonic_on_C.mid" title="File:Sixty-fifth harmonic on C.mid">13</a>, <a href="//commons.wikimedia.org/wiki/File:Johnston_17_on_C.mid" title="File:Johnston 17 on C.mid">17</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:19_rightside_up.mid&amp;action=edit&amp;redlink=1" class="new" title="File:19 rightside up.mid (page does not exist)">19</a>, <a href="//commons.wikimedia.org/wiki/File:Johnston_23_on_C.mid" title="File:Johnston 23 on C.mid">23</a>, <a href="//commons.wikimedia.org/wiki/File:Johnston_29_on_C.mid" title="File:Johnston 29 on C.mid">29</a>, <a href="//commons.wikimedia.org/wiki/File:Johnston_31_on_C.mid" title="File:Johnston 31 on C.mid">31</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:37_rightside_up.mid&amp;action=edit&amp;redlink=1" class="new" title="File:37 rightside up.mid (page does not exist)">37</a>, <a href="//commons.wikimedia.org/wiki/File:Greater_41-limit_fifth_tone_on_C.mid" title="File:Greater 41-limit fifth tone on C.mid">41</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:43_rightside_up.mid&amp;action=edit&amp;redlink=1" class="new" title="File:43 rightside up.mid (page does not exist)">43</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:47_rightside_up.mid&amp;action=edit&amp;redlink=1" class="new" title="File:47 rightside up.mid (page does not exist)">47</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:53_rightside_up.mid&amp;action=edit&amp;redlink=1" class="new" title="File:53 rightside up.mid (page does not exist)">53</a>...</li>
<li><a href="//commons.wikimedia.org/wiki/File:Septimal_quarter_tone_on_C.mid" title="File:Septimal quarter tone on C.mid">#L</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:11_upside_down.mid&amp;action=edit&amp;redlink=1" class="new" title="File:11 upside down.mid (page does not exist)">U11</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:13_upside_down.mid&amp;action=edit&amp;redlink=1" class="new" title="File:13 upside down.mid (page does not exist)">E1</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:17_upside_down.mid&amp;action=edit&amp;redlink=1" class="new" title="File:17 upside down.mid (page does not exist)">L1</a>, <a href="//commons.wikimedia.org/wiki/File:Johnston_U19_on_C.mid" title="File:Johnston U19 on C.mid">U19</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:U23_upside_down.mid&amp;action=edit&amp;redlink=1" class="new" title="File:U23 upside down.mid (page does not exist)">U23</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:29_upside_down.mid&amp;action=edit&amp;redlink=1" class="new" title="File:29 upside down.mid (page does not exist)">U29</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:31_upside_down.mid&amp;action=edit&amp;redlink=1" class="new" title="File:31 upside down.mid (page does not exist)">1E</a>, <a href="//commons.wikimedia.org/wiki/File:Johnston_U37_on_C.mid" title="File:Johnston U37 on C.mid">LE</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:41_upside_down.mid&amp;action=edit&amp;redlink=1" class="new" title="File:41 upside down.mid (page does not exist)">U41</a>, <a href="//commons.wikimedia.org/w/index.php?title=File:43_upside_down.mid&amp;action=edit&amp;redlink=1" class="new" title="File:43 upside down.mid (page does not exist)">U43</a>, <a href="//commons.wikimedia.org/wiki/File:Lesser_47-limit_fifth_tone_on_C.mid" title="File:Lesser 47-limit fifth tone on C.mid">U47</a>, <a href="//commons.wikimedia.org/wiki/File:Johnston_U53_on_C.mid" title="File:Johnston U53 on C.mid">U53</a>...</li></ul></li></ul>
<a href="//commons.wikimedia.org/wiki/User:Hyacinth" title="User:Hyacinth">Hyacinth</a>
2015-07-20
<span class="int-own-work" lang="en">Own work</span>