Base-dependent integer sequences

Pernicious number

In number theory, a pernicious number is a positive integer such that the Hamming weight of its binary representation is prime, that is, there is a prime number of 1's when it is written as a binary number. (Wikipedia).

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MegaFavNumbers: All you need to go Mega is just 3 bytes

Joining the maths #MegaFavNumbers thing just because I like it. My favourity number of over 1 million is a number I remember ever since I was a child. It is used often and well known. Watch to find out why. 16777216

From playlist MegaFavNumbers

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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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Conversion Arcs and 2,916,485,648,612,232,232,816 (MegaFavNumbers)

I'm sorry. The MegaFavNumbers playlist: https://www.youtube.com/playlist?list=PLar4u0v66vIodqt3KSZPsYyuULD5meoAo

From playlist MegaFavNumbers

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1,010,010,101,000,011 - #MegaFavNumbers

This is my submission to the #megafavnumbers project. My number is 1010010101000011, which is prime in bases 2, 3, 4, 5, 6 and 10. I've open-sourced my code: https://bitbucket.org/Bip901/multibase-primes Clarification: by "ignoring 1" I mean ignoring base 1, since this number cannot be fo

From playlist MegaFavNumbers

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Statistics: Ch 8 Combinations and Permutations (2 of 22) What 's the Difference?

Visit http://ilectureonline.com for more math and science lectures! To donate: http://www.ilectureonline.com/donate https://www.patreon.com/user?u=3236071 We will see an example of the difference between combinations and permutations from 5 numbers (pick any 3). Previous video in this s

From playlist STATISTICS CH 8 COMBINATIONS AND PERMUTATIONS

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MegaFavNumbers: 1.5 Billion

#MegaFavNumbers What’s your Mega Favourite Number?

From playlist MegaFavNumbers

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Pi and the size of the Universe - Numberphile

Our Pi Playlist (more videos): http://bit.ly/PiPlaylist Pi is famously calculated to trillions of digits - but Dr James Grime says 39 is probably enough. More links & stuff in full description below ↓↓↓ An extra note from Dr Grime: "Since pi39 ends in 0, you may think we could use pi38 i

From playlist James Grime on Numberphile

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The Quakers, the Dutch, and the Ladies: Crash Course US History #4

In which John Green teaches you about some of the colonies that were not in Virginia or Massachusetts. Old New York was once New Amsterdam. Why they changed it, I can say; ENGLISH people just liked it better that way, and when the English took New Amsterdam in 1643, that's just what they d

From playlist US History

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Why We Are All Addicts

When we think of an ‘addict’, certain stock images come to mind: a homeless person sniffing glue, a gaunt figure with a heroin needle in their arm. But this masks what is in reality a far more universal phenomenon. We are all addicts. Sign up to our new newsletter and get 10% off your fir

From playlist SELF

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Rejecting Coethnicity: the Politics of Migrant Exclusion by Minoritized Citizens

Professor Yang-Yang Zhou is presenting the research of her new book project ‘Rejecting Coethnicity: the Politics of Migrant Exclusion by Minoritized Citizens’. How are migrants received by host countries and communities? A substantial body of scholarship on migrant reception focuses almost

From playlist Refugee Program Seminars

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How to Overcome Shyness

The true origins of shyness lie not in under-confidence but, very often, in self-hatred. We will be able to face social situations with energy and self-belief when we finally become able to like ourselves a little more. Use the special code YOUTUBE10 to get 10% off all our products, books,

From playlist SELF

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Social Equality & the Problem of Hierarchy (Jonathan Wolff)

Professor Jonathan Wolff (University of Oxford) gives a talk on Equality and Hierarchy in 2018 as part of The Aristotelian Society. For more information: www.aristoteliansociety.org.uk More Political Philosophy: https://www.youtube.com/playlist?list=PLhP9EhPApKE_O1dkCOqsUke_0QUkX80A- #Ph

From playlist Social & Political Philosophy

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Harvard professor debunks the biggest exercise myths | Daniel Lieberman

Exercise culture is crazy. But what you need to do is exceedingly simple. Subscribe to Big Think on YouTube ► https://www.youtube.com/c/bigthink Up Next ► Does exercise enhance creativity? https://youtu.be/1QOfkqIKfyw We hold many misconceptions about exercise. For example, we believe

From playlist Get smarter, faster

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Social Orders and Creation Stories: Crash Course World Mythology #5

In which Mike Rugnetta sits you down for a little talk about myth as a way to construct or reinforce social orders. Specifically, we’re going to look today at stories from around the world that establish or amplify the idea that the errors of women have brought bad things into the world. W

From playlist World Mythology

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We need to talk about cheating in universities...

Cheating in university is a big money business and connects to a lot of larger issues in education. As a professor, I unpack what exactly the issue is, why it is happening, and what we can do about it. The type of cheating that I've faced most often since the twitch to online learning is c

From playlist Learning Math Advice

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Calendars, Codes & Virgins: 3 Myths About the Maya

Hank talks about the Maya, and helps dispel some myths about their historic civilization, revealing how, ultimately, they were just like us: smart, flawed, and awesome. Like SciShow: http://www.facebook.com/scishow Follow SciShow: http://www.twitter.com/scishow References for this episod

From playlist Uploads

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Machine Learning Gremlins

Machine learning is incredibly powerful, but there are many common pitfalls that prevent scientists from fully realizing its potential. http://strataconf.com/strata2014/public/schedule/detail/32168

From playlist Talking Kaggle | Kaggle

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My #MegaFavNumber is 79,873,884

My #MegaFavNumber is 79,873,884 which is the first number over 1 million that is in its own location in the digits of pi

From playlist MegaFavNumbers

Related pages

Mersenne number | Hamming weight | Fermat number | Perfect number | Prime number | Evil number | Odious number | Mersenne prime | Euclid–Euler theorem | Number theory