Arithmetic dynamics | Base-dependent integer sequences

Narcissistic number

In number theory, a narcissistic number (also known as a pluperfect digital invariant (PPDI), an Armstrong number (after Michael F. Armstrong) or a plus perfect number) in a given number base is a number that is the sum of its own digits each raised to the power of the number of digits. (Wikipedia).

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153 and Narcissistic Numbers - Numberphile

We use 153 as an example of a narcissistic number. Video features Dr Ria Symonds from the University of Nottingham. More links & stuff in full description below ↓↓↓ NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tw

From playlist Women in Mathematics - Numberphile

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MegaFavNumbers - 115,132,219,018,763,992,565,095,597,973,971,522,401 is the last of its kind!

This video is a part of the MegaFavNumbers project. Maths YouTubers have come together to make videos about their favorite numbers bigger than one million, which they are calling #MegaFavNumbers. MegaFavNumbers Playlist - https://www.youtube.com/playlist?list=PLar4u0v66vIodqt3KSZPsYyuULD5

From playlist MegaFavNumbers

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Rational and Irrational Numbers

This math video tutorial provides a basic introduction into rational and irrational numbers. My Website: https://www.video-tutor.net Patreon Donations: https://www.patreon.com/MathScienceTutor Amazon Store: https://www.amazon.com/shop/theorganicchemistrytutor Subscribe: https://www.yo

From playlist GED Math Playlist

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Numbers in Words

"Put worded numbers into figures or vice versa."

From playlist Number: Basic Arithmetic

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What are Irrational Numbers? | Number System | Don't Memorise

Watch this video to know more about Rational numbers, Irrational Numbers, Real Numbers and Number System. To learn more about Irrational Numbers, enroll in our full course now: https://infinitylearn.com/microcourses?utm_source=youtube&utm_medium=Soical&utm_campaign=DM&utm_content=CtRtXoT_

From playlist Irrational Numbers

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MegaFavNumbers: RSA-2048

My own choice for a number over 1,000,000 is this 617 digit boy: 251959084756578934940271832400483985714292821262040320277771378360436620207075955562640185258807844069182906412495150821892985591491761845028084891200728449926873928072877767359714183472702618963750149718246911650776133798590

From playlist MegaFavNumbers

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The psychology of narcissism - W. Keith Campbell

View full lesson: http://ed.ted.com/lessons/the-psychology-of-narcissism-w-keith-campbell Narcissism isn’t just a personality type that shows up in advice columns; it’s actually a set of traits classified and studied by psychologists. But what causes it? And can narcissists improve on the

From playlist New TED-Ed Originals

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Not Every Egomaniac Has Narcissistic Personality Disorder

Professionally diagnosing narcissistic personality disorder is difficult for psychologists, partially because anyone who might have it just thinks they’re great! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Do

From playlist Disorders

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The Upside of Social Media Narcissism

SUBSCRIBE to BrainCraft! Click here: http://ow.ly/rt5IE Talking psychology, neuroscience & why we act the way we do. New video every other week! Could a slight rise in narcissism from increased use of social media actually make us better, more self-aware people? Follow us on Facebook htt

From playlist Technology & Your Brain

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Me All the Time: The Epidemic of Narcissism | Big Think

Me All the Time: The Epidemic of Narcissism Watch the newest video from Big Think: https://bigth.ink/NewVideo Join Big Think Edge for exclusive videos: https://bigth.ink/Edge ---------------------------------------------------------------------------------- Andrew Cohen says narcissism is

From playlist 21st Century Living | Big Think

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How To Spot A Narcissist Before They Hurt You

Become a Charisma University member: https://bit.ly/3DZk6EM How To Spot A Liar: https://youtu.be/KLvTSMLIPpM Subscribe to Charisma On Command’s YouTube Account: http://bit.ly/COC-Subscribe There are people in this world that are looking to take advantage of you. Many of these signs ar

From playlist The Best Charisma Breakdowns

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Am I a Psychopath? (Psychology Documentary) | Real Stories

Meet Sam Vaknin, author of the book Malignant Self Love. Sam knows he’s a supreme narcissist, but is he also, as he suspects, a psychopath? To find out, he becomes the world’s first civilian volunteer to be thoroughly tested for psychopathy. Along the way, Vaknin encounters the minefield

From playlist Mental Health Documentaries

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Two not so mathematically interesting numbers | #MegaFavNumbers

#MegaFavNumbers Sorry for bad quality etc and other issues Keely Hill's web app : http://keelyhill.github.io/tuppers-formula Numberphile Video by Matt Parker : https://www.youtube.com/watch?v=_s5RFgd59ao My Number(s): 100247024143998649083995093352421522775908391259422600091896021136

From playlist MegaFavNumbers

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Determine Approximate Values of Square Roots (Irrational Values)

This video explains how to determine what integer values a square root is between. Then it explains how to use a calculator to approximate square roots. http://mathispower4u.com

From playlist Geometry and Measurement

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Episode 013: Are We Supposed to Laugh At or With This Guy? Joker (2019) with Wind Goodfriend

***Originally published on April 27, 2020*** Join Alex and frequent guest host Dr. Wind Goodfriend (https://www.bvu.edu/academics/faculty/wind-goodfriend) on discussion of the psychological concepts in Joker (2019) (https://www.imdb.com/title/tt7286456), the latest take on the amazing bat

From playlist CinemaPsych Podcast

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Different Types of Numbers on the number line, lesson 1 #shorts

Watch the full playlist: https://www.youtube.com/watch?v=kcxK3_sROZA&list=PL14bv5vXK2WWuODhGbpPQA0GamV5ohOVb&index=1 Natural Numbers (N), (also called positive integers, counting numbers, or natural numbers); They are the numbers {1, 2, 3, 4, 5, …} Whole Numbers (W). This is the set of na

From playlist Celebrities Teach Math: The Number System

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Ex-Girlfriend Killed To Win A Bet | Real Stories

True crime story about 16-year-old Joshua Davies, who was sentenced to 14 years in jail for the murder of his on-off girlfriend, Rebecca Aylward. From Britain's Deadliest Kids S1 Ep 5 Twitter: https://twitter.com/realstoriesdocs Facebook - https://www.facebook.com/RealStoriesChannel Inst

From playlist True Crime Stories

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If and only if | Kaprekar's routine | Periodic point | Fixed point (mathematics) | Dudeney number | Factorion | Periodic sequence | Sum-product number | Exponential function | Signed-digit representation | Arithmetic dynamics | Happy number | Iterated function | Meertens number | Perfect digital invariant | Integer | Number theory | Integer (computer science) | Cycle detection | Perfect digit-to-digit invariant | Persistence of a number | Joseph Madachy | Linear function (calculus) | Kaprekar number