12 Days of Christmas
400
402
Abundant Numbers
678
Arabic to Roman
380
419
Arithmetic Numbers
545
670
715
803444
723
679
722
Arrows
177
Ascending Primes
113
92
244
326
Card Number Validation
355
491
Catalan’s Constant
129
60
CSS Colors
75
Day of Week
315564419
660
Divisors
831
Emojify
258
Factorial Factorisation
289
Farey Sequence
391
Fizz Buzz
755
830645
942234
949893
822
868
Fractions
584
Intersection
494
ISBN
351
Kaprekar Numbers
126
67
Leap Years
529
Levenshtein Distance
215
N Queens
235
Niven Numbers
617
Niven Numbers (Long)
677
Ordinal Numbers
519
514
PalindromemordnilaP
610
Prime Numbers
633
Quine
615
967
411357723
337
574472877
11852160529
467
307
652635
318591202
946259
857633105
820
Repeating Decimals
363
Rock-paper-scissors-Spock-lizard
379
Roman to Arabic
408
Seven Segment
257
Spelling Numbers
195
Star Wars Opening Crawl
224
Tic-tac-toe
413
United States
96
Vampire Numbers
104
62
γ
2271782342452961691122011936093889010918110092
1661784686
3382047040111116194214486227803406994621855319756204
338226197393533134515182
λ
22918723824922919617320417097168115149175164173165
213
π
8596119101789998114675343628290566748
1372762
1261525829
10213316017325745050561033813340138
34120413568252108132111
τ
80
φ
53
√2
50
𝑒
55
111
67