# Math

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Find, with justi cation, the smallest integer whose rst digit is 1 and which has the property
that if this digit is transferred to the end of the number, then the number is tripled

• Math -

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.

• Math -

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

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