12 Days of Christmas
417
403
Abundant Numbers
679
Arabic to Roman
381
420
Arithmetic Numbers
547
674
719
588446
727
681
713
Arrows
177
Ascending Primes
114
92
246
181
Card Number Validation
349
493
Catalan’s Constant
129
59
CSS Colors
75
Day of Week
317566421
662
Divisors
831
Emojify
258
Factorial Factorisation
289
Farey Sequence
392
Fizz Buzz
756
830598
943234
668893
822
868
Fractions
585
Intersection
494
ISBN
352
Kaprekar Numbers
127
68
Leap Years
530
Levenshtein Distance
215
ln 2
8193111957195
Minesweeper
N Queens
235
Niven Numbers
617
Niven Numbers (Long)
718
Ordinal Numbers
520
515
PalindromemordnilaP
612
Prime Numbers
633
Quine
615
968
412357724
338
576476879
11847161530
467
307
658636
319592202
947259
858634105
821
Repeating Decimals
364
Rock-paper-scissors-Spock-lizard
378
Roman to Arabic
408
Scrambled Sort
416
592
Seven Segment
254
Spelling Numbers
194
Star Wars Opening Crawl
224
Tic-tac-toe
413
United States
94
Vampire Numbers
104
62
γ
2241782092372971681122021936094889111017610092
1681794686
3401657040112116195212383228802416994621855319856205
338227194208535134375180
λ
22918721324122919617320513497167115150176132173165
214
π
849611996789998114685343628290566748
1382762
1271065829
1111331611742574505056793814440138
34320413667257108131111
τ
81
φ
53
√2
51
𝑒
55
112
66