12 Days of Christmas
730
870
Abundant Numbers
708
Arabic to Roman
381
589
Arithmetic Numbers
554
673
719
588446
727
788
726
Arrows
204
Ascending Primes
115
104
246
181
Card Number Validation
357
608
Catalan’s Constant
131
70
CSS Colors
171
Day of Week
316565421
825
Divisors
877
Emojify
289
Factorial Factorisation
363
Farey Sequence
445
Fizz Buzz
763
833600
947237
670896
900
968
Fractions
688
Intersection
673
ISBN
450
Kaprekar Numbers
127
75
Leap Years
530
Levenshtein Distance
275
ln 2
8193111967195
Minesweeper
N Queens
313
Niven Numbers
619
Niven Numbers (Long)
679
Ordinal Numbers
544
632
PalindromemordnilaP
750
Prime Numbers
633
Quine
615
967
411367724
350
576476879
11847161530
467
307
658636
319592202
947259
858633105
821
Repeating Decimals
496
Rock-paper-scissors-Spock-lizard
451
Roman to Arabic
540
Scrambled Sort
416
757
Seven Segment
352
Spelling Numbers
331
Star Wars Opening Crawl
388
Tic-tac-toe
532
United States
127
Vampire Numbers
105
83
γ
4994863134852972421132524837294889111045210092
1681794687
4631657041113116496314488503804807194751856549164322
591509512518539134517478
λ
508503494494230266206276191157209178180205212206171
266
π
8496119967899100114675943628290596748
1383262
1261075830
1131331611742588505163984514440138
59620413677254108132111
τ
81
φ
53
√2
51
𝑒
55
112
71