Card Number Validation
959
Catalan Numbers
972
Collatz
978
Day of Week
960
Divisors
984
Emojify
982
Evil Numbers
981
Evil Numbers (Long)
974
Farey Sequence
964
Fibonacci
986
Fizz Buzz
992
Foo Fizz Buzz Bar
985
Fractions
970
Happy Numbers
981
Hexdump
972
Leap Years
962
Levenshtein Distance
970
Leyland Numbers
974
ln 2
969
Lucky Numbers
971
Lucky Tickets
955
Niven Numbers
981
Niven Numbers (Long)
974
Odious Numbers
979
Odious Numbers (Long)
971
Pangram Grep
973
Partition Numbers
951
Pascalβs Triangle
975
Pernicious Numbers
977
Pernicious Numbers (Long)
972
Prime Numbers
981
Prime Numbers (Long)
972
Quine
976
Repeating Decimals
967
Roman to Arabic
970
ROT13
954
Tic-tac-toe
963
Van Eck Sequence
965
Ο
971
β2
977
π
975