12 Days of Christmas
294
Abundant Numbers
669
660
760
Abundant Numbers (Long)
834
Christmas Trees
596
Collatz
786
Diamonds
304
Divisors
763
673
Emirp Numbers
355
Emirp Numbers (Long)
555
Emojify
153
Evil Numbers
701
Fibonacci
584
670
659
Fizz Buzz
807894922457840858801874922817
610325775784942683971893766903803
831812891936868798357862853
Intersection
272
489
Leap Years
687
662
741
ln 2
663
Niven Numbers
583
Odious Numbers
753
Pernicious Numbers
523
Prime Numbers
604
467
652
Prime Numbers (Long)
690
Quine
479383345467356
947
877
430
86888
635
176727591
917
828633
406
Recamán
554
579
Rock-paper-scissors-Spock-lizard
242
Sierpiński Triangle
127
128
Sudoku
199
Tongue-twisters
288
Vampire Numbers
326
π
100
155
φ
673
√2
694