Unsolved problems in number theory | Integer sequences | Classes of prime numbers

Cullen number

In mathematics, a Cullen number is a member of the integer sequence (where is a natural number). Cullen numbers were first studied by James Cullen in 1905. The numbers are special cases of Proth numbers. (Wikipedia).

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4937775 - Numberphile

4937775 is a Smith Number - as are 27, 666 and infinite others! More links & stuff in full description below ↓↓↓ Smith Numbers were first discovered in a phone book, explains Professor Ed Copeland from the University of Nottingham. Ed Tweets: https://twitter.com/ProfEdCopeland NUMBERPHIL

From playlist Numberphile Videos

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Irrational Numbers - What are they?

Learn what an irrational number is in this free math video tutorial by Mario's Math Tutoring. 0:07 What is an Irrational Number 0:11 What is an Integer 0:35 Example of a Rational Number 7 1:02 Example of How a Repeating Decimal is Rational 1:26 Example 1 is Square Root of 7 Rational? 1:40

From playlist Algebra 1

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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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GCSE Maths: N8-16 [Multiples of π]

https://www.buymeacoffee.com/TLMaths Navigate the playlist using this Google Doc: https://tinyurl.com/TLMathsGCSE Navigate all of my videos at https://sites.google.com/site/tlmaths314/ Like my Facebook Page: https://www.facebook.com/TLMaths-1943955188961592/ to keep updated Follow me o

From playlist TEACHING GCSE Maths

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What is an Armstrong Number? #Shorts #YouTubeShorts

What is an Armstrong Number? Watch this video to know more... ✅Download the Infinity Learn APP Now➡️ https://vsbpz.app.link/dmil ➡️Don’t Memorise brings learning to life through its captivating educational videos. To Know More, visit https://infinitylearn.com/ ➡️New videos every week. T

From playlist Shorts

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Cuchulain's Origins - The Hound of Culann - Extra Mythology

Watch Extra Mythology ad-free on Nebula! https://go.nebula.tv/extramythology Our last video focused on the end of Cuchulain at the hands of the Morrigan, but where did this hero come from? Was his start as heroic as his end? Well... not precisely. A strong but arrogant young boy Cuchulain

From playlist Extra Mythology (ALL EPISODES)

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Cyclic Numbers - Numberphile

Numberphile is also on Facebook: http://www.facebook.com/numberphile More links & stuff in full description below ↓↓↓ 142857 is the most "famous" of the intriguing cyclic numbers. Featuring Dr Tony Padilla from the University of Nottingham - https://twitter.com/DrTonyPadilla NUMBERPHILE

From playlist Tony Padilla on Numberphile

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Will it Oxidize: Edward Cullen

We pit Edward Cullen from the Twilight series against our favorite oxidizer Potassium chlorate. From our experience with Jacob Black we knew this plastic would not burn with pure potassium chlorate. So to improve the burning we loaded the potassium chlorate with sugar cubes to serve as add

From playlist Fire & Pyro

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Lecture 10. The New Negroes (continued)

American History: From Emancipation to the Present (AFAM 162) The Harlem Renaissance brought together legions of black writers, artists, musicians, and intellectuals who celebrated black culture and romanticized its connections to an African past. In this lecture, Professor Holloway docum

From playlist American History: From Emancipation to the Present

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Tribonacci Numbers (and the Rauzy Fractal) - Numberphile

Edmund Harriss introduces a very cool tiling and talks about Tribonacci Numbers. More links & stuff in full description below ↓↓↓ Numberphile Podcast: https://www.numberphile.com/podcast Or on YouTube: http://bit.ly/Numberphile_Pod_Playlist More Edmund on Numberphile: http://bit.ly/Ed_Ha

From playlist Edmund Harriss on Numberphile

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Algebra - Ch. 6: Factoring (6 of 55) How to Determine a Prime Number? NOTE: 49 IS NOT A PRIME NUMBER

Visit http://ilectureonline.com for more math and science lectures! In this video I will explain how to determine if a number is a prime number. To donate: http://www.ilectureonline.com/donate https://www.patreon.com/user?u=3236071 Next video in this series can be seen at: https://youtu

From playlist THE "HOW TO" PLAYLIST

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Arts and Letters of the Harlem Renaissance: Crash Course Black American History #26

The Harlem Renaissance was one of the richest, most vibrant, and most culturally generative artistic periods in American history and the work that emerged from that period continues to shape the landscape of American arts and letters today. In this episode, we’re going to explore some of

From playlist Back to School - Expanded

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Largest Known Prime Number (extra footage) - Numberphile

Extra footage on the new "largest known prime number". Main video is at: http://youtu.be/QSEKzFGpCQs More links & stuff in full description below ↓↓↓ This video features Dr Tony Padilla from the University of Nottingham. NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Fa

From playlist Prime Numbers on Numberphile

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Mega-R6. Boosting

MIT 6.034 Artificial Intelligence, Fall 2010 View the complete course: http://ocw.mit.edu/6-034F10 Instructor: Mark Seifter This mega-recitation covers the boosting problem from Quiz 4, Fall 2009. We determine which classifiers to use, then perform three rounds of boosting, adjusting the

From playlist MIT 6.034 Artificial Intelligence, Fall 2010

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G - G - GHOST!!! | British Pathé

THE THINGS THAT SCARE US - MYSTERIES & HORROR MONTH ON BRITISH PATHÉ (OCTOBER 2015): G - G - Ghost!!! These three terrific newsreels from the 1950s and 1960s take you on ghost hunts at various places around Britain - a house in Brighton, a pub in Amersham, and a cottage in Wilbarston, wit

From playlist Newsreels of the Week | British Pathé

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Sebastian Will: Comparative methods for RNA structure analysis - Lecture 1

Recording during the meeting "AlgoSB 2019 - Mathematical and Computational Methods for Structured RiboNucleic Acids" the January 17, 2019 at the Centre International de Rencontres Mathématiques (Marseille, France) Filmmaker: Guillaume Hennenfent Find this video and other talks given by w

From playlist Mathematics in Science & Technology

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Knightfall: Mark Hamill and Tom Cullen Star in Season 2 I History

Watch a tease of season 2 of HISTORY's popular drama series "Knightfall" starring Tom Cullen as headstrong Templar Knight, Landry, and Mark Hamill as new initiate master, Talus. #MarkHamill #TomCullen #Knightfall Subscribe for more HISTORY: http://histv.co/SubscribeHistoryYT Check out exc

From playlist Knightfall: Official Series Playlist | History

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Langston Hughes and the Harlem Renaissance: Crash Course Literature 215

In which John Green teaches you about the poetry of Langston Hughes. Langston Hughes was a poet and playwright in the first half of the 20th century, and he was involved in the Harlem Renaissance, which was a cultural movement among African Americans of the time that produced all kinds of

From playlist Literature 2

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What is Hardy Ramanujan Number? || #YTShorts || Don't Memorise

Ramanujan was fascinated with numbers and made striking contributions to the branch of mathematics. One of which is the Hardy-Ramanujan number. Want to know what this number is? Watch this video- Don’t Memorise brings learning to life through its captivating educational videos. To Know Mo

From playlist Shorts

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Knightfall: Who Is Landry? (Season 1) | History

Actor Tom Cullen explores how his character Landry must lead his brothers as Master of the Temple as he struggles to uphold his sacred vows on "Knightfall". #Knightfall Subscribe for more from Knightfall and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more abou

From playlist Knightfall: Official Series Playlist | History

Related pages

PrimeGrid | Almost all | Conjecture | Fermat's little theorem | James Cullen (mathematician) | Big O notation | Jacobi symbol | Composite number | Natural number | Mathematics | Recurrence relation | Integer | Natural density | Integer sequence | Prime number | Parity (mathematics) | Christopher Hooley | Woodall number | Modular arithmetic