Dec 31, 2019 · Why does this pattern occur: $123456789 \times 8 + 9 = 987654321$ Ask Question Asked 6 years, 1 month ago Modified 2 years, 2 months ago

Jan 17, 2012 · Given the sequence 123456789: You can insert three operations ($+$,$-$,$\\times$,$/$) into this sequence to make the equation = 100. My question is: is there a way to solve this without …

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 …

How many constructable numbers in between 1 1 and 362881 362881? Without computing can we find all of constructable numbers? For a given integer n n between 1 1 and 362881, 362881, can we …

Feb 18, 2018 · Roblox currently inserts decals as http://www.roblox.com/asset/?id=123456789 when they should be inserted as rbxassetid:// which is consistent with pasting a URL into Decal texture.

Jan 20, 2017 · Why does $987,654,321$ divided by $123,456,789 = 8$? Is it a coincidence or is there a special reason? Note: The numbers are a mirror of each other

An interesting fact about the number 123456789 and its generalization in arbitrary base [closed] Ask Question Asked 10 years, 6 months ago Modified 11 months ago

Mar 24, 2018 · Number theoretic puzzle involving 123456789 Ask Question Asked 7 years, 10 months ago Modified 7 years, 10 months ago

And there were two instances of 123456789. 123456789. If the digits of π π were random, we expect that approximately one tenth of the instances of 123456789 123456789 in any sample would have …

We can see that in the decimal system each of $12345679\times k$ $ (k\in\mathbb N, k\lt 81, k\ \text {is coprime to $9$})$ (note! not $123456789$) has every number from $0$ to $9$ except one number a...