Level 508: Cloud Nine Calculation
Optimal: 4 digits
Target Number

864

Solo Digit: 9
Waiting for input
Digits Used: 0

Level 508 Overview & Strategy

Medium

In Level 508, your challenge is to reach the target number 864 using only the solo digit 9. The optimal solution requires exactly 4 digits.

Solo Digit: 9
Target Goal: 864
Optimal Length: 4 digits
Allowed Operations: + − × ÷ ^ ! √ ( )

Solving Tip

Notice how close 864 is to multiples, factorials, or powers of 9. If direct multiplication or division leaves a remainder, look for ways to generate 9 / 9 = 1 or (9 - 9) = 0 to fine-tune your final total.