%0 Journal Article %A Silvano Rossetto %A Giovanni Vincenzi %T Two hidden properties of hex numbers %J The Teaching of Mathematics %D 2022 %P 21 %V XXV %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM2_2022_XXV_1_a2/ %G en %F TM2_2022_XXV_1_a2