12 Days of Christmas
846
99 Bottles of Beer
664
Abundant Numbers
734
Arabic to Roman
572
Christmas Trees
666
Collatz
609
Divisors
886
Emirp Numbers
555
Evil Numbers
784
Fibonacci
544695
Fizz Buzz
973
Foo Fizz Buzz Bar
982
Happy Numbers
521
Leap Years
813
Niven Numbers
740
Odious Numbers
781
Ordinal Numbers
794
Pangram Grep
783
Pascal’s Triangle
860
Pernicious Numbers
683
Prime Numbers
871
Prime Numbers (Long)
678
Quine
945
Recamán
712
Roman to Arabic
569
Seven Segment
483
Spelling Numbers
492
Time Distance
698
π
63
φ
694
√2
700