Find the first four consecutive integers to have four distinct primes factors.
Finding Fibonacci numbers for which the first and last nine digits are pandigital.
Which base/exponent pair in the file has the greatest numerical value?
What is the smallest odd composite that cannot be written as the sum of a prime and twice a square?
Determining the number of solutions of the equation x**2 − y**2 − z**2 = n.
Finding the number of blue discs for which there is 50% chance of taking two blue.
Investigate the game of chance involving coloured discs.
What is the millionth lexicographic permutation of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9?
Find a quadratic formula that produces the maximum number of primes for consecutive values of n.
What is the value of the first triangle number to have over five hundred divisors?