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IUPAC numerical multiplier
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<table><tbody><tr><th>Number</th><th>Multiplier</th><th>Number</th><th>Multiplier</th></tr><tr><td>1</td><td>mono-</td><td>30</td><td>triaconta-</td></tr><tr><td>2</td><td>di-</td><td>31</td><td>hentriaconta-</td></tr><tr><td>3</td><td>tri-</td><td>32</td><td>dotriaconta-</td></tr><tr><td>4</td><td>tetra-</td><td>33</td><td>tritriaconta-</td></tr><tr><td>5</td><td>penta-</td><td>34</td><td>tetratriaconta-</td></tr><tr><td>6</td><td>hexa-</td><td>40</td><td>tetraconta-</td></tr><tr><td>7</td><td>hepta-</td><td>50</td><td>pentaconta-</td></tr><tr><td>8</td><td>octa-</td><td>60</td><td>hexaconta-</td></tr><tr><td>9</td><td>nona-</td><td>70</td><td>heptaconta-</td></tr><tr><td>10</td><td>deca-</td><td>80</td><td>octaconta-</td></tr><tr><td>11</td><td>undeca-</td><td>90</td><td>nonaconta-</td></tr><tr><td>12</td><td>dodeca-</td><td>100</td><td>hecta-</td></tr><tr><td>13</td><td>trideca-</td><td>200</td><td>dicta-</td></tr><tr><td>14</td><td>tetradeca-</td><td>300</td><td>tricta-</td></tr><tr><td>15</td><td>pentadeca-</td><td>400</td><td>tetracta-</td></tr><tr><td>16</td><td>hexadeca-</td><td>500</td><td>pentacta-</td></tr><tr><td>17</td><td>heptadeca-</td><td>600</td><td>hexacta-</td></tr><tr><td>18</td><td>octadeca-</td><td>700</td><td>heptacta-</td></tr><tr><td>19</td><td>nonadeca-</td><td>800</td><td>octacta-</td></tr><tr><td>20</td><td>icosa-</td><td>900</td><td>nonacta-</td></tr><tr><td>21</td><td>henicosa-</td><td>1000</td><td>kilia-</td></tr><tr><td>22</td><td>docosa-</td><td>2000</td><td>dilia-</td></tr><tr><td>23</td><td>tricosa-</td><td>3000</td><td>trilia-</td></tr><tr><td>24</td><td>tetracosa-</td><td>4000</td><td>tetralia-</td></tr><tr><td>25</td><td>pentacosa-</td><td>5000</td><td>pentalia-</td></tr><tr><td>26</td><td>hexacosa-</td><td>6000</td><td>hexalia-</td></tr><tr><td>27</td><td>heptacosa-</td><td>7000</td><td>heptalia-</td></tr><tr><td>28</td><td>octacosa-</td><td>8000</td><td>octalia-</td></tr><tr><td>29</td><td>nonacosa-</td><td>9000</td><td>nonalia-</td></tr></tbody></table> <p>The numerical multiplier (or multiplying affix) in <a href="/facts/IUPAC_nomenclature/pepvzNun">IUPAC nomenclature</a> indicates how many particular <a href="/facts/Atom/FoQ4kGN5">atoms</a> or <a href="/facts/Functional_group/GXkSPsjM">functional groups</a> are attached at a particular point in a <a href="/facts/Molecule/N9ljSfFq">molecule</a>. The <a href="/facts/Affix/MKeAIE7e">affixes</a> are derived from both <a href="/facts/Latin_language/pM3Kge85">Latin</a> and <a href="/facts/Greek_language/pzDd6eIz">Greek</a>. </p>