12 Days of Christmas
641
Abundant Numbers
744
699
839
Abundant Numbers (Long)
898
Christmas Trees
697
Collatz
838
Diamonds
321
Divisors
789
722
Emirp Numbers
505
Emirp Numbers (Long)
612
Emojify
190
Evil Numbers
714
Fibonacci
613
679
688
Fizz Buzz
831933948487857879826917978864
6403408069739767111,000903806931836
9558249831,000980825388893986
Intersection
384
547
Leap Years
711
672
779
ln 2
697
Niven Numbers
595
Odious Numbers
769
Pernicious Numbers
561
Prime Numbers
642
476
693
Prime Numbers (Long)
744
Quine
517396370500378
1,000
957
455
93090
672
194793618
939
862672
441
Recamán
629
628
Rock-paper-scissors-Spock-lizard
335
Sierpiński Triangle
99
102
Sudoku
303
Tongue-twisters
514
Vampire Numbers
358
π
106
178
φ
707
√2
710