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MathNet 2017-part-02 — 176 problems (EN–VI) Question 91

Math Olympiad Vault · MathNet 2017-part-02 — 176 problems (EN–VI)

Question 91

Juku thought of a 3-digit number that, when reversing the order of the digits, stays the same 3-digit number. Juku noticed that when adding 2016 to that number, the 4-digit number that arises is again the same 4-digit number when reading the digits from right to left. What number did Juku think of?