Dreamshire

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factorials

This tag is associated with 5 posts

By Mike ⋅ May 25, 2009 ⋅ Post a comment

Investigate the game of chance involving coloured discs.

By Mike ⋅ April 19, 2009 ⋅ Post a comment

Starting in the top left corner in a 20 by 20 grid, how many routes are there to the bottom right corner?

By Mike ⋅ April 11, 2009 ⋅ Post a comment

How many values of C(n,r), for 1 ≤ n ≤ 100, exceed one-million?

By Mike ⋅ April 8, 2009 ⋅ One comment

Determine the number of factorial chains that contain exactly sixty non-repeating terms.

By Mike ⋅ April 8, 2009 ⋅ Post a comment

Find the sum of all numbers which are equal to the sum of the factorial of their digits.