12 Days of Christmas
417
402
Abundant Numbers
678
Arabic to Roman
380
420
Arithmetic Numbers
546
672
717
807445
724
690
723
Arrows
177
Ascending Primes
113
92
245
181
Card Number Validation
355
492
Catalan’s Constant
129
59
CSS Colors
75
Day of Week
315564419
661
Divisors
831
Emojify
258
Factorial Factorisation
289
Farey Sequence
392
Fizz Buzz
755
830597
942234
949893
822
868
Fractions
584
Intersection
494
ISBN
352
Kaprekar Numbers
126
68
Leap Years
529
Levenshtein Distance
215
ln 2
8192110997095
N Queens
234
Niven Numbers
617
Niven Numbers (Long)
677
Ordinal Numbers
519
514
PalindromemordnilaP
611
Prime Numbers
633
Quine
615
967
411357724
337
575474878
11846160529
467
307
655635
319592202
946259
858633105
820
Repeating Decimals
364
Rock-paper-scissors-Spock-lizard
379
Roman to Arabic
408
Scrambled Sort
407
590
Seven Segment
257
Spelling Numbers
196
Star Wars Opening Crawl
224
Tic-tac-toe
412
United States
96
Vampire Numbers
104
62
γ
2241782082462971681122011936093889010918110092
1671784686
3382047040112116194211486227802416994621855319756204
338227197393534134516180
λ
22818721324922919617320415797168115150176165173165
213
π
849611999789998114675343628290566748
1372762
1261525829
1011331601742574505056793818840138
34220413569253108132111
τ
81
φ
53
√2
50
𝑒
55
111
67