## 5 June 2017

### Challenge 19

Write $2017$ with the digits $1$ to $9$, except the $7$, using them all and separately, in increasing order, with the operations addition, subtraction, multiplication, division, power of $2$, power of $3$, square root, cubic root and factorial. Parenthesis are allowed.

$1-(2+3)!-4!+5 \cdot 6 \cdot 8 \cdot 9 = 2 \, 017$