
The eight "slanting rows" (in red and blue)

In August 2019, our reader Mustapha Rherrad created a magic rhombus using the integers from 1 to 32, arranged so that the sums along every "slanting row" and every "main diagonal" are equal.



Articles recommended for you.

Details on how to build the ring of tetrahedra that you can cut out from the pull-out section of Tangente 200. An explanation of how the numbers on its forty faces were chosen, using a rule that generalizes the concept of a magic square.

can numbers be arranged so perfectly that they produce equal sums in every direction? The challenge is certainly difficult, but construction methods do exist! The magic of arithmetic...

As is now customary, the Tangente team explores the properties of the year number in our Gregorian calendar. What can we say about 2023? We will examine it in particular through the Josephus sieve.

We know that mathematics can be a source of joy, but have you heard of happy numbers? Simple to define, they hold plenty of surprises and show just how much playing with integers remains an inexhaustible source of research at every level.
Discussion
Sign in to post a comment and talk with other readers.
No comments yet. Be the first to respond.