Abundant Numbers
941
Abundant Numbers (Long)
978
Arithmetic Numbers
931
Ascending Primes
958
Divisors
995
Emirp Numbers
962
Emirp Numbers (Long)
1,000
Evil Numbers
1,000
Evil Numbers (Long)
1,000
Factorial Factorisation
927
Fibonacci
1,000
Happy Numbers
880
Happy Numbers (Long)
987
ISBN
951
Leap Years
751
Look and Say
985
Niven Numbers
938
Niven Numbers (Long)
986
Odious Numbers
1,000
Odious Numbers (Long)
1,000
Ordinal Numbers
862
Pascalβs Triangle
1,000
Pernicious Numbers
987
Pernicious Numbers (Long)
955
Prime Numbers
1,000
Prime Numbers (Long)
1,000
Quine
1,000