12 Days of Christmas
730
873
Abundant Numbers
707
Arabic to Roman
381
587
Arithmetic Numbers
552
670
715
803444
723
797
722
Arrows
203
Ascending Primes
114
105
244
326
Card Number Validation
355
612
Catalan’s Constant
130
71
CSS Colors
171
Day of Week
315564419
823
Divisors
876
Emojify
289
Factorial Factorisation
362
Farey Sequence
444
Fizz Buzz
763
833647
947236
951896
900
968
Fractions
687
Intersection
672
ISBN
450
Kaprekar Numbers
128
74
Leap Years
530
Levenshtein Distance
275
N Queens
312
Niven Numbers
618
Niven Numbers (Long)
678
Ordinal Numbers
542
631
PalindromemordnilaP
747
Prime Numbers
633
Quine
615
967
411366723
349
574472876
11852160529
467
307
652635
318591202
946259
857633105
820
Repeating Decimals
494
Rock-paper-scissors-Spock-lizard
451
Roman to Arabic
539
Seven Segment
352
Spelling Numbers
330
Star Wars Opening Crawl
387
Tic-tac-toe
529
United States
132
Vampire Numbers
105
83
γ
4984853044962962481132734817294889111045010092
1661784686
4612047041112116493314486499804797194741856549464320
590507510725537134516478
λ
508502492505230266206275200157222177180205231205171
265
π
85961191017899100114675943628290596748
1383262
1261545830
10213316017325885051631064513340138
59420413578252108132111
τ
81
φ
53
√2
51
𝑒
55
111
72