12 Days of Christmas
730
873
Abundant Numbers
707
Arabic to Roman
380
587
Arithmetic Numbers
551
669
715
802444
721
797
722
Arrows
203
Ascending Primes
114
105
244
326
Card Number Validation
354
611
Catalan’s Constant
130
71
CSS Colors
172
Day of Week
314563419
822
Divisors
876
Emojify
289
Factorial Factorisation
362
Farey Sequence
443
Fizz Buzz
763
832647
947236
951896
900
968
Fractions
686
Intersection
672
ISBN
450
Kaprekar Numbers
128
75
Leap Years
530
Levenshtein Distance
275
N Queens
311
Niven Numbers
618
Niven Numbers (Long)
678
Ordinal Numbers
542
631
PalindromemordnilaP
746
Prime Numbers
633
Quine
615
967
411366723
349
574428877
11852159528
467
307
650634
318591202
946259
857632104
820
Repeating Decimals
494
Rock-paper-scissors-Spock-lizard
451
Roman to Arabic
539
Seven Segment
352
Spelling Numbers
332
Star Wars Opening Crawl
387
Tic-tac-toe
529
United States
140
Vampire Numbers
105
83
γ
49848530449629624811227348172102889111045010092
1691784686
4612047041112116492314486499804797194741856542164320
590507510725538134516478
λ
507502492505230266206275200157227177180205231205171
265
π
85961191027899100113675943628290596748
1383262
1261545830
10213316017325885051631064515640142
59320313578252108132111
τ
81
φ
53
√2
51
𝑒
55
113
72