Arabic to Roman
737
Christmas Trees
731
Divisors
950
Emirp Numbers
654
Evil Numbers
618
Fibonacci
865
Fizz Buzz
920
Happy Numbers
789
Leap Years
805
Niven Numbers
863
Odious Numbers
625
Pangram Grep
752
Pascal’s Triangle
741
Prime Numbers
848
Quine
808
Sierpiński Triangle
701
λ
617
π
587
τ
576
φ
821
√2
805
𝑒
752