Here's a challenge : find the shortest way to write the number $1234567890$ . There is several ways to write the number $1234567890$ : $1.23456789 × 10^9$ $2×3^2×5×3607×3803$ $617283945×2$ …

Dec 13, 2016 · Challenge yourself to create a keyboard layout that is both functional and unique, testing your creativity and programming skills.

If $\pi$ acted like a string of random digits, then you'd expect to have to check on the order of $10^ {10}$ or $10$ billion digits before you found $1234567890$.

Feb 5, 2018 · Given the following input: An integer n where n > 0. A string s where s is not empty and s~=[0-9A-Z]+ (alpha-numeric capitals only). Using a standard, simplified QWERTY keyboard (as …

Dec 31, 2019 · Some questions which seem a bit related: How can I prove this odd property?, Why is $\frac {987654321} {123456789}$ almost exactly $8$?, Why is $\frac {987654321} {123456789} = …

Feb 24, 2017 · Code Golf Challenge I have an isdue, my fingrrs are fat and I freqintly jave an isdue of ty[ing one keystrpke to the right on my kryboard. I'm afraid the isdue is getyng worse anf worsr as …

Permutation identities similar to $ (7901234568 / 9876543210) \cdot 1234567890 = 0987654312$ Ask Question Asked 13 years, 1 month ago Modified 11 years, 4 months ago

May 17, 2015 · The Challenge: Given any input that can be typed on a keyboard, move the text along by N chars. Here is the QWERTY keyboard to be used. You can ignore the modifier keys (Shift, Caps, …

May 20, 2013 · Many years ago, I noticed that $987654321/123456789 = 8.0000000729\\ldots$. I sent it in to Martin Gardner at Scientific American and he published it in his column!!! My life has gone …

Oct 4, 2016 · Related to this question, What is the smallest prime number made of sequential number? are there infinitely many primes of the following form (OEIS A057137)? $1, 12, 123, 1234, 12345, …