self number
...that a self number is an integer that cannot be generated by any other integer added up to its digits?
...that a <b id="mwAaU"><a href="./Self_number" id="mwAaY" rel="mw:WikiLink" title="Self number">self number</a></b> is an <a href="./Integer" id="mwAac" rel="mw:WikiLink" title="Integer">integer</a> that cannot be generated by any other <a href="./Integer" id="mwAag" rel="mw:WikiLink" title="Integer">integer</a> added up to its <a class="mw-disambig" href="./Digit" id="mwAak" rel="mw:WikiLink" title="Digit">digits</a>?