99 Bottles of Beer
Abundant Numbers
793
Arabic to Roman
Christmas Trees
667
Divisors
811825
Emirp Numbers
612766
Evil Numbers
821
Fibonacci
842
Fizz Buzz
626761
Happy Numbers
842893
Leap Years
886848
Levenshtein Distance
897
Morse Decoder
Morse Encoder
493
Niven Numbers
937
Odious Numbers
747
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
591
Pernicious Numbers
691
Prime Numbers
770
Quine
958411490939464492
652460597428623766944411179
Roman to Arabic
651
Seven Segment
742
Sierpiński Triangle
Spelling Numbers
Vampire Numbers
111
λ
493
π
850
τ
87
φ
85
√2
88
𝑒
62