12 Days of Christmas
572
99 Bottles of Beer
434
Abundant Numbers
713
Abundant Numbers (Long)
833
Catalan Numbers
520
Catalan’s Constant
69
Christmas Trees
588
Collatz
699
Diamonds
362
Divisors
900
Emirp Numbers
564
Emirp Numbers (Long)
618
Evil Numbers
754
Evil Numbers (Long)
738
Fibonacci
886
Fizz Buzz
624
Foo Fizz Buzz Bar
622
Leap Years
813
Niven Numbers
740
Niven Numbers (Long)
806
Odious Numbers
781
Odious Numbers (Long)
778
Ordinal Numbers
642
Pernicious Numbers
309
Prime Numbers
585
Prime Numbers (Long)
619
λ
146
π
63
τ
62
φ
51
√2
47
𝑒
46