The mysterious alien box

Number Theory Level pending

An alien gave some scientists a mysterious box that has the number "401" written on its front. They managed to carefully open it and found exactly 85 objects. Considering that, they correctly concluded that the aliens use the number "401" to represent 85 units. The scientists used this information to discover the number of fingers those aliens have in both hands together. How many fingers they have?

Before opening the box, the scientists already knew that:

  • The aliens use a number system very similar to the one used by humans.
  • The aliens have two hands.

Tip: it is an integer value and can be odd.


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