12 Days of Christmas
730
874
Abundant Numbers
707
Arabic to Roman
381
588
Arithmetic Numbers
553
672
716
807445
724
798
722
Arrows
204
Ascending Primes
114
106
245
268
Card Number Validation
355
606
Catalan’s Constant
130
70
CSS Colors
171
Day of Week
315564419
824
Divisors
877
Emojify
289
Factorial Factorisation
363
Farey Sequence
444
Fizz Buzz
763
833600
947236
951896
900
968
Fractions
687
Intersection
672
ISBN
450
Kaprekar Numbers
128
75
Leap Years
530
Levenshtein Distance
275
ln 2
8192110997095
N Queens
312
Niven Numbers
618
Niven Numbers (Long)
679
Ordinal Numbers
542
631
PalindromemordnilaP
748
Prime Numbers
633
Quine
615
967
411367724
350
575474878
11846160529
467
307
655635
319592202
946259
857633105
820
Repeating Decimals
495
Rock-paper-scissors-Spock-lizard
451
Roman to Arabic
540
Scrambled Sort
407
753
Seven Segment
352
Spelling Numbers
330
Star Wars Opening Crawl
388
Tic-tac-toe
531
United States
132
Vampire Numbers
105
83
γ
4974853044972972481132734817294889111045010092
1671784686
4612047041113116493314486501804797194751856549464320
590508510725538134516478
λ
506502493506230266206275202157221177180205231206171
265
π
8496119997899100114675943628290596748
1383262
1261545830
1011331601742588505163984518840138
59520413578253108132111
τ
81
φ
53
√2
51
𝑒
55
111
72