12 Days of Christmas
730
874
Abundant Numbers
708
Arabic to Roman
381
589
Arithmetic Numbers
554
673
718
588446
726
788
726
Arrows
204
Ascending Primes
115
104
246
181
Card Number Validation
357
608
Catalan’s Constant
130
70
CSS Colors
171
Day of Week
316565421
825
Divisors
877
Emojify
289
Factorial Factorisation
363
Farey Sequence
444
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
8193110967195
Minesweeper
N Queens
313
Niven Numbers
619
Niven Numbers (Long)
679
Ordinal Numbers
544
632
PalindromemordnilaP
750
Prime Numbers
633
Quine
602
959
411365722
346
573473873
11546160529
464
306
653633
318586201
944255
179630103
817
Repeating Decimals
496
Rock-paper-scissors-Spock-lizard
451
Roman to Arabic
540
Scrambled Sort
416
756
Seven Segment
352
Spelling Numbers
331
Star Wars Opening Crawl
388
Tic-tac-toe
532
United States
127
Vampire Numbers
105
83
γ
4984863134922972421132514827294889111045110092
1681784686
4621657041113116495314487503804807194751856549064321
590508510518539134517478
λ
508503494503230266206276191157209178180205212206171
266
π
8496119967899100114675943628290596748
1383262
1261135830
1011331611742588505163984514440138
59520413676254108132111
τ
81
φ
53
√2
51
𝑒
55
112
72