Abundant Numbers
942
Abundant Numbers (Long)
978
Arithmetic Numbers
931
Ascending Primes
958
Collatz
812
Divisors
995
Emirp Numbers
962
Emirp Numbers (Long)
1,000
Evil Numbers
1,000
Evil Numbers (Long)
1,000
Factorial Factorisation
924
Fibonacci
1,000
Happy Numbers
880
Happy Numbers (Long)
988
ISBN
951
Leap Years
751
Look and Say
985
Lucky Numbers
789
Niven Numbers
938
Niven Numbers (Long)
986
Odious Numbers
1,000
Odious Numbers (Long)
1,000
Ordinal Numbers
862
Pascal’s Triangle
1,000
Pernicious Numbers
988
Pernicious Numbers (Long)
960
Prime Numbers
1,000
Prime Numbers (Long)
1,000
Quine
1,000