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Amaze your friends and colleagues!…
Need to hammer home an arithmetical point? Dramatize a quantitative comparison? NumberQuotes has the juice. One simply types in the number–any number– to be analogized, hits “return”– and up pops a...
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We’ve got your number…
From the Mathematical Association of America, NumberADay: “Every working day, we post a number and offer a selection of that number’s properties.” And so they do… 438 = 2 x 3 x 73. 438 is a Smith...
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Got your number…
Euler’s Number (e): 2.7182… Euler’s number is also known as the exponential growth constant. It is the base for natural logarithms and is found in many areas of mathematics. Application: In finance,...
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Let’s Go To The Numbers…
Dictionary of Numbers is an award-winning Google Chrome extension that tries to make sense of numbers encountered on the web by providing descriptions of those numbers in human terms. Just as a...
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“Prime numbers are what is left when you have taken all the patterns away”*…
Der Hl. Augustinus und der Teufel 1, followed by 13 zeros, then 666, and then another 13 zeros, and a final 1: a palindromic prime number named for Belphegor (or Beelphegor), one of the seven...
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“God made the integers; all the rest is the work of Man”*…
source From Alex Bellos: the results of his global online poll to find the world’s favorite number… The winner? Seven— and it wasn’t even close… * Leopold Kronecker ### As we settle for anything...
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“When you have mastered numbers, you will in fact no longer be reading...
Errors of judgment about large numbers can have a big impact on the way you view policies and government decisions. The rationale goes like this: The National Science Foundation received $7.463...
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“It’s exact and indefinite. It’s like pi– you can keep figuring it out and...
It’s Pi Day! What better way to “prove” 3.14 than with that most perfect of pies– pizza! With Pi Day just around the corner, let’s remember what Pi is all about. After washing your hands...
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“He told me that in 1886 he had invented an original system of numbering”*…
A visualization of the 3-adic numbers The rational numbers are the most familiar numbers: 1, -5, ½, and every other value that can be written as a ratio of positive or negative whole numbers. But they...
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“Those who wish to know the art of calculating, its subtleties and...
Scholars at an Abbasid library. Maqamat of al-Hariri Illustration by Yahyá al-Wasiti, 1237 [source] The House of Wisdom sounds a bit like make believe: no trace remains of this ancient library,...
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“If the doors of perception were cleansed everything would appear to man as...
For 50 years, mathematicians have believed that the total number of real numbers is unknowable. A new proof suggests otherwise… Infinity comes in many sizes. In 1873, the German mathematician Georg...
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“Although the world looks messy and chaotic, if you translate it into the...
50 Sour Patch Kids (eXtreme brand) Or in any case, you have some illuminating fun. Tim Urban decided to use Sour Patch Kids to explore scale… This helps illustrate just how huge a number a trillion...
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“No part of mathematics is ever, in the long run, ‘useless’.”*…
The number 1 can be written as a sum of distinct unit fractions, such as 1/2 + 1/3 + 1/12 + 1/18 + 1/36… Number theorists are always looking for hidden structure. And when confronted by a numerical...
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“Why, sometimes I’ve believed as many as six impossible things before...
Imaginary numbers were long dismissed as mathematical “bookkeeping.” But now, as Karmela Padavic-Callaghan explains, physicists are proving that they describe the hidden shape of nature… Many science...
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“Many of the things you can count, don’t count. Many of the things you can’t...
Still, we count… and have, as Keith Houston explains, for much, if not most of human history… Figuring out when humans began to count systematically, with purpose, is not easy. Our first real clues...
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“The control of large numbers is possible, and like unto that of small...
It’s always been intuitively obvious that we handle small numbers more easily than large ones. But the discovery that the brain has different systems for representing small and large numbers provokes...
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