Tag: math
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Finding self-loving and narcissistic numbers
What if there existed some special numbers, positive integers where the sum of the powered digits, ends up at the original number? Such numbers exists and are called self-loving or narcissistic numbers, due to the self-orientated property. They are also sometimes called…
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A coronal mass acrostic
After I mentioned my take on acrostics to a friend, with positional and palindromic acrostics, I was challenged to make a new poem; where not only the alphabetical position of the first letter would, when concatenated, make a palindrome, but also the…
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Self numbers and self primes
In 1949 the Indian mathematician D.R. Kaprekar discovered a class of numbers called self-numbers. A number N is said to be a self number if it cannot be written as m + the sum of digits of m for any m. To…
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100 000 Pi (π) decimals vs. random numbers
I have previously written a post about how I decided to visualize 100k decimals of Pi, Tau and e with Python. To do that I chose a simple set of three rules that was repeated for each decimal digit; For each of…
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Visualizing 100k decimals of Pi, Tau and e with Python
Having an interest for numbers, Linux and small scale programming and scripting shortens the route to test out things like this. It generally starts out with: “I wonder what that would look like” and ends in a continuous awe for numbers, programming…
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A mathematical poem
When I read this mathematical poem by Leigh Mercer, I knew I had found a treasure: [latex] \frac{12 + 144 + 20 + 3 \sqrt{4}}{7} + \left ( 5 \times 11 \right ) = 9^{2} + 0 [/latex] A dozen, a gross,…
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Create plasma-fractal wallpapers for your phone with ImageMagick
Do you like fractals? Do you like plasma? Perhaps both? Or do you simply like to fiddle with linux terminal commands? I know what I like, therefore I give you a one liner to create five awesome wallpapers for your phone: Download…