Q: Find a base 7 three digit number which has its digits reversed when expressed in base 9?

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100000 2847239582

2178

81.

7 two-digit numbers.

987654321 is the highest nine-digit number with no repeated digits.

Related questions

Find a four digit number whose digits will be reversed when multiplied by nine?

If the number with the digits reversed can have a leading 0 so that it is a 1-digit number, then 16. Otherwise 13.

An eight digit number with one zero cannot remain the same when its digits are reversed. It must have an even number of 0s.

45

17

100000 2847239582

2178

The number is 36

47 Impossible problem!

22 digits is verbally expressed with "Sextillion"

2178 * 4 = 8712

192