6 Digit Number

Problem of the Week - October 14, 2019

6 Digit Number Image

There exists a special six-digit number such that when this number is multiplied by four, its digits are reversed.  Determine this special six-digit number.  Note:  digits can be used more than once.

Submit answer

Immediately after your correct answer is submitted, your name will be posted here.

Past problems
Individual Monthly & Annual Rankings
Leaderboard Monthly & Annual Rankings

Custom Leaderboards Are Here!

Take the competition to the next level and encourage participation by creating custom leaderboards for your students or friends to join. Click below to try it out now!

Get Started with Custom Leaderboards

Need Scratch Paper?

We encourage you to use Casio's new free online math software, ClassPad.net, as your digital scratch paper while solving the problems on our site!

Use ClassPad for digital scratch paper to solve this problem!