Find, with justi�cation, the smallest integer whose �rst digit is 1 and which has the property

Question

that if this digit is transferred to the end of the number, then the number is tripled

Answer 1

A method of solution can be found here:
http://people.missouristate.edu/lesreid/Ans03_96.html

It has to be understood that the "1" is moved to the end of the number, not switched with the last digit.

It is a rather large number, as you will see.

Answer 2

The answer given at the site I provided above is 142857. The "switched" number is 428571