Dreamshire

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Trinket

This tag is associated with 28 posts

By Mike Molony ⋅ May 2, 2009 ⋅ One comment

Find the sum of both diagonals in a square spiral.

By Mike Molony ⋅ April 8, 2009 ⋅ One comment

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

By Mike Molony ⋅ May 25, 2009 ⋅ 2 comments

Compose Champernowne’s constant

By Mike Molony ⋅ March 26, 2009 ⋅ 2 comments

Find the largest n-digit pandigital prime that exists

By Mike Molony ⋅ May 28, 2009 ⋅ 4 comments

Find the smallest odd composite that cannot be written as the sum of a prime and twice a square.

By Mike Molony ⋅ May 5, 2009 ⋅ 6 comments

Find the first four consecutive integers to have four distinct primes factors.

By Mike Molony ⋅ March 24, 2009 ⋅ 9 comments

Find the last ten digits of 1^1 + 2^2 + … + 1000^1000.

By Mike Molony ⋅ May 27, 2009 ⋅ 3 comments

Finding the number of blue discs for which there is 50% chance of taking two blue.

If you don't build your dream, someone will hire you to build theirs.