Python Archives - Page 11 of 16

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 ⋅ June 5, 2009 ⋅ 2 comments

Find arithmetic sequences, made of prime terms, whose four digits are permutations of each other.

By Mike Molony ⋅ April 12, 2009 ⋅ 5 comments

Find the prime number, below one-million, that can be written as the sum of the most consecutive primes.

By Mike Molony ⋅ May 27, 2009 ⋅ 16 comments

Find the smallest prime which, by replacing part of the number with the same digit, is part of an eight prime value set.

By Mike Molony ⋅ April 9, 2009 ⋅ One comment

Find the smallest positive integer, x, such that 2x, 3x, 4x, 5x, and 6x, contain the same digits in some order.

By Mike Molony ⋅ April 11, 2009 ⋅ Post a comment

Count the values of C(n,r), for 1 ≤ n ≤ 100, that exceed one-million.

By Mike Molony ⋅ April 10, 2009 ⋅ 2 comments

Find how many Lychrel numbers are there below ten-thousand.

By Mike Molony ⋅ April 12, 2009 ⋅ Post a comment

Considering natural numbers of the form, a^b, find the maximum digital sum.

By Mike Molony ⋅ April 12, 2009 ⋅ 4 comments

Investigate the expansion of the continued fraction for the square root of two.

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