Mathematical Meanderings

The first thing we notice about \( \textbf{27807}\) is its factorisation:$$27807 = 3 \times 13 \times 23 \times 31$$This number has four dis...

Numbers \(n\) belonging to OEIS A063048 have the property that the Reverse and Add! trajectory of \(n\) (presumably) does not reach a palin...

It's been a while, over seven years in fact since I last mentioned the 17\(x\) + 1 map in an eponymous post in March of 2018. As I expl...

On the 21st January 2024, I made a post titled  Fibodiv Numbers  and today I'm revisiting this topic because \( \textbf{27801} \), the n...

The number \( \textbf{27800} \) (my diurnal age today) has the following divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 55...

Consider the sequence of primes and the products of their digits (POD). As the primes increase, these products will reach record values as c...

A paucity of information about a number always challenges me to find something interesting about the number. Such was the case with the numb...