12 Days of Christmas
730
874
Abundant Numbers
707
Arabic to Roman
381
589
Arithmetic Numbers
553
673
717
592446
725
798
724
Arrows
204
Ascending Primes
115
106
245
181
Card Number Validation
356
608
Catalan’s Constant
130
70
CSS Colors
171
Day of Week
316564420
825
Divisors
877
Emojify
289
Factorial Factorisation
363
Farey Sequence
445
Fizz Buzz
763
833600
947236
670896
900
968
Fractions
687
Intersection
673
ISBN
450
Kaprekar Numbers
126
75
Leap Years
530
Levenshtein Distance
275
ln 2
8193110997095
N Queens
312
Niven Numbers
619
Niven Numbers (Long)
679
Ordinal Numbers
544
631
PalindromemordnilaP
749
Prime Numbers
633
Quine
602
958
411365722
346
573472872
11546160529
464
305
653633
318586201
944255
179630103
816
Repeating Decimals
496
Rock-paper-scissors-Spock-lizard
451
Roman to Arabic
540
Scrambled Sort
413
755
Seven Segment
352
Spelling Numbers
331
Star Wars Opening Crawl
388
Tic-tac-toe
532
United States
128
Vampire Numbers
105
83
γ
4974863054972972481132734817294889111045010092
1671784686
4611657041113116494314487502804797194751856549064321
590508510518538134516478
λ
507503494507230266206276202157221178180205231206171
266
π
8496119997899100114675943628290596748
1383262
1261135830
1011331611742588505163984518840138
59520413578253108132111
τ
81
φ
53
√2
51
𝑒
55
112
72