Integer sequences

Loeschian number

In number theory, the numbers of the form x2 + xy + y2 for integer x, y are called theLoeschian numbers. These numbers are named after August Lösch. They are the norms of the Eisenstein integers. They are a set of whole numbers, including zero, and having prime factorization in which all primes congruent to 2 mod 3 have even powers (there is no restriction of primes congruent to 0 or 1 mod 3). (Wikipedia).

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#MegaFavNumbers: 10,904,493,600 & Fibonacci Numbers

This is my #MegaFavNumber. Link to all the #MegaFavNumbers Videos: https://www.youtube.com/watch?v=R2eQVqdUQLI&list=PLar4u0v66vIodqt3KSZPsYyuULD5meoAo Channel Links: Website: https://sites.google.com/view/pentamath Channel: https://www.youtube.com/channel/UCervsuIC9pv4eQq98hAgOZA Subscri

From playlist MegaFavNumbers

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Italian Counting Numbers

A very basic thing in any language is learning how to count. You will use the numbers from one through ten constantly! When you tell time, when you interact with people at the market, or around town, you name it. So these first few must be memorized! But from there, it becomes quite simple

From playlist Italian

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The Frobenius Problem - Method for Finding the Frobenius Number of Two Numbers

Goes over how to find the Frobenius Number of two Numbers.

From playlist ℕumber Theory

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MegaFavNumbers: 1000001, my MegaFavNumber #MegaFavNumbers

To the haters: this can actually be represented by the formula ﷽ = 1 - |n| where n represents any number and ﷽ represents my personal level of joy and fulfillment (measured in "Coulombs".) Also, DON'T WORRY. The item seen at 0:35 is NOT any kind of w*apon. It's nothing but a regular railro

From playlist MegaFavNumbers

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Encoding with Prime Numbers and Second Ratios - #MegaFavNumbers

It's still Sept 2nd somewhere! I've been fascinated by Prime Numbers and sequences of prime numbers over the last 3 years or so. I've had two sequences approved for inclusion in the oeis.org related to prime numbers, https://oeis.org/A295746 and https://oeis.org/A295973 In this video, ins

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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What is the definition of scientific notation

👉 Learn about scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first non-zero number between 1 and 10, (1 included) and n is the number of digits up to t

From playlist Scientific Notation | Learn About

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NOTACON 9: Numbers, From Merely Big to Unimaginable (EN) | enh. audio

Still bad quality! Speaker: Brian Makin Have you every multiplied 2 by itself over and over to see how big it could get? Ever wonder about really big numbers? Starting from common "large" numbers like 2^56(DES) and 2^128(ipv6) through really big numbers such as the Ackermann numbers and

From playlist Notacon 9

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#MegaFavNumbers - 7,588,043,387,109,376 by Egi

87,109,376^2=7,588,043,387,109,376. The last 8 digits is the square root😀, it's called an automorphic number which n^2 ends with n

From playlist MegaFavNumbers

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How is i equal to square root of -1?

What is 'i'? More importantly, what is a complex number? How are complex numbers relevant to the context of other familiar numbers? Chapters: 00:00 Introduction 01:46 Logo of Reals and Rationals 02:11 Expanding real numbers 03:25 Motivation using whole (natural) numbers 06:08 Planar numb

From playlist Summer of Math Exposition 2 videos

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Fun with Math: Surprises with Arithmetic and Numbers

Stephen Wolfram shows kids and adults some fun unique things you can do with math. All demonstrations powered by the Wolfram Language. Originally livestreamed at: https://twitch.tv/stephen_wolfram Follow us on our official social media channels: Twitter: https://twitter.com/WolframRese

From playlist Stephen Wolfram Livestreams

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How to understand the REAL NUMBER LINE - COLLEGE ALGEBRA

In this video we talk about natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. We also show the real number line and the inequalities less than and greater than. 00:00 Intro 00:29 Number system 04:53 Visual representation of numbers 07:37 Rea

From playlist College Algebra

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Real Numbers

This video provides a basic introduction into real numbers. It explains how to distinguish them from imaginary numbers. It also discusses the difference between rational and irrational numbers as well as integers, natural numbers, and whole numbers. Examples include repeating and non-re

From playlist New Algebra Playlist

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What are Isotopes?

This chemistry video tutorial answers the question - what are isotopes? Isotopes are substances that are composed of the same element but consist of different mass numbers and number of neutrons. They share the same atomic number and therefore the same number of protons. This video cont

From playlist New AP & General Chemistry Video Playlist

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Pascal's wager and real numbers

My entry for 3blue1brown's contest, talking about Pascal's wager and how it leads to interesting questions about (hyper)real numbers. A big shoutout to Grant for coming up with this wonderful idea. Link to Thierry Platinis channel for more on hyperreal numbers: https://www.youtube.com/cha

From playlist Summer of Math Exposition Youtube Videos

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Year 13/A2 Pure Chapter 0.1 (Subsets of Real Numbers, Representatives and Proof)

Welcome to the first video for year 13 (A2) Pure Mathematics! This video is part of a series of three that I've called Chapter 0, and is meant as a foundation for Year 13. The primary reasons for doing this are that the difficulty of Year 13 is markedly harder than Year 12 content, and al

From playlist Year 13/A2 Pure Mathematics

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My favorite proof of the n choose k formula!

The binomial coefficient shows up in a lot of places, so the formula for n choose k is very important. In this video we give a cool combinatorial explanation of that formula! Challenge Problems playlist: https://www.youtube.com/playlist?list=PLug5ZIRrShJGkzGsXMYQt8bi5ImYtiEMM Subscribe t

From playlist Challenge Problems

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Is the Sieve of Eratosthenese past its prime?

The Sieve of Eratosthenes is an amazing tool for teaching people about prime numbers and composite numbers but it's not without its limitations. I've tried to answer the question, 'Is there a better way of representing a sieve like this?' 0:00 Sieve of Eratosthenes In the first part of t

From playlist Summer of Math Exposition Youtube Videos

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NOTACON 9: Numbers, From Merely Big to Unimaginable (EN)

Speaker: Brian Makin Have you every multiplied 2 by itself over and over to see how big it could get? Ever wonder about really big numbers? Starting from common "large" numbers like 2^56(DES) and 2^128(ipv6) through really big numbers such as the Ackermann numbers and Grahm's number we wi

From playlist Notacon 9

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ALGEBRA & PRE-ALGEBRA REVIEW: Ch 1 (15 of 53) What Are Number Sets?

Visit http://ilectureonline.com for more math and science lectures! In this video I will explain what are counting numbers, whole numbers, integers, rational and irrational numbers, real numbers, and imaginary numbers. Next video in this series can be seen at: https://youtu.be/frXUlpNq4W

From playlist Michel van Biezen: MATH TO KNOW BEFORE HIGH SCHOOL

Related pages

Norm (mathematics) | On-Line Encyclopedia of Integer Sequences | Square number | Eisenstein integer | Number theory