The month of Mathober, which takes place during the actual month of October, is an annual celebration of mathematical ideas, art, creativity and general mathsy fun.
#mathober 2026: My Month of Maths Zines
Double Maths First Thing: Issue 70
Double Maths First Thing picked the wrong week to give up Lemsip Hello! My name is Colin and I am mathematician on a mission to spread the joy and delight of doing, thinking about, playing with and suffering from mathematics. I am not on a mission to suffer from a cold the week I’m meant…
Double Maths First Thing: Issue 6F
Double Maths First Thing is all a bit chaotic Hello! My name is Colin and I am a mathematician on a mission to find and share the joy in maths, puzzles and working things out. I’m likely to have some availability for new students in the next few months, so if you know of anyone…
Double Maths First Thing: Issue 6E
Double Maths First Thing had to look up where Wells is Hello! My name is Colin and I am a mathematician on a mission to spread the joy and delight in the beauty of maths, and the human effort of figuring things out. This week I’ve been taking joy in simplifying and clarifying code that…
Double Maths First Thing: Issue 6D
Double Maths First Thing is tangled up in knots Hello! My name is Colin and I am a mathematician on a mission to spread the joy and delight in doing and discussing maths. This week I have been in error-recovery mode after drawing a wrong conclusion on a consulting project. Compared to Chris Lewicki’s classic,…
Carnival of Maths 255
The next issue of the Carnival of Mathematics, rounding up blog posts from the month of September 2026, is now online at Ben Leis’s Math Off The Grid. The Carnival rounds up maths blog posts from all over the internet, including some from our own Aperiodical. See our Carnival of Mathematics page for more information.
The last four digits of 16¹⁶
On the math-fun mailing list, Dick Hess posted “a couple of curiosities”: A speaker at G4G16 noted that \(16^{16}\) ends in \(1616\). A friend sent me this: \(499^{499}\) ends in \(499499\). Are there any other cases including numbers with more digits? That does make me curious! I’ve kept that email in my inbox since March,…