All entries for Monday 19 October 2009

Digital Cubes

The number 153 is equal to the sum of the cubes of its digits:

1³ + 5³ + 3³ = 1 + 125 + 27 = 153

There are three other 3-digit numbers with the same property, excluding numbers like 001 with a leading zero.

Can you find them?

Eleanor Lovell : 19 Oct 2009 10:27 |  Tags: Mathschallenge |  Comments (13) |  Close comments |  Report a problem