12 Days of Christmas
410
405
Abundant Numbers
690
Arabic to Roman
403
429
Arithmetic Numbers
577
720
779
882463
782
697
761
Arrows
181
Ascending Primes
122
95
283
381
Card Number Validation
386
511
Catalan’s Constant
143
61
CSS Colors
78
Day of Week
346606471
687
Divisors
844
Emojify
263
Factorial Factorisation
297
Farey Sequence
406
Fizz Buzz
778
847661
976243
977903
828
882
Fractions
602
Intersection
510
ISBN
362
Kaprekar Numbers
133
70
Leap Years
538
Levenshtein Distance
222
N Queens
244
Niven Numbers
629
Niven Numbers (Long)
694
Ordinal Numbers
567
528
PalindromemordnilaP
637
Prime Numbers
645
Quine
615
1,000
440373768
361
634473957
12457189569
493
316
727672
347618214
969278
893672116
893
Repeating Decimals
376
Rock-paper-scissors-Spock-lizard
385
Roman to Arabic
420
Seven Segment
263
Spelling Numbers
202
Star Wars Opening Crawl
230
Tic-tac-toe
429
United States
102
Vampire Numbers
115
63
γ
255198264277333184121222216621119499120203109100
1941994794
38622773401241292162425562568638473102632075533259229
380254222448603148584204
λ
254201264277251209186222182101207122163193179188180
232
π
9210213011385105104123735645668998607251
1482766
1401635930
11014517819225785253571143917542154
38022314774281118145124
τ
89
φ
58
√2
56
𝑒
60
128
76