I keep trying Four fours puzzle for various numbers, i.e. express a number using four fours and only four fours along with any mathematical operation.
Today, I was thinking for Ramanujan number, i.e. $1729=10^3+9^3=12^3+1^3$. I think using $1729=12^3+1$ should be easier as $1^3=1$, and we need not worry about its power $3$.
Any help with this number is appreciated!