Arabic to Roman
740
Christmas Trees
737
Divisors
951
Emirp Numbers
745
Evil Numbers
619
Fibonacci
865
Fizz Buzz
925
Happy Numbers
931
Leap Years
808
Niven Numbers
869
Odious Numbers
626
Pangram Grep
755
Pascal’s Triangle
743
Prime Numbers
849
Quine
804
Sierpiński Triangle
708
λ
708
π
587
τ
578
φ
827
√2
812
𝑒
757