I thought, maybe this Narcisstic number thing is explained on the YouTube channel of Numberphile, and well it is <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=4aMtJ-V26Z4" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=4aMtJ-V26Z4</a><p>For me, this is way more clear and better to watch, then reading the Wikipedia page