Abundant Numbers
1,000
Abundant Numbers (Long)
1,000
Arithmetic Numbers
931
Ascending Primes
958
Collatz
838
Divisors
1,000
Emirp Numbers
962
Emirp Numbers (Long)
1,000
Evil Numbers
1,000
Evil Numbers (Long)
1,000
Factorial Factorisation
930
Fibonacci
1,000
Happy Numbers
1,000
Happy Numbers (Long)
1,000
ISBN
969
Leap Years
793
Look and Say
1,000
Lucky Numbers
800
Niven Numbers
1,000
Niven Numbers (Long)
1,000
Odious Numbers
1,000
Odious Numbers (Long)
1,000
Ordinal Numbers
892
Pascal’s Triangle
1,000
Pernicious Numbers
1,000
Pernicious Numbers (Long)
960
Prime Numbers
1,000
Prime Numbers (Long)
1,000
Quine
1,000