12 Days of Christmas
742
879
Abundant Numbers
718
Arabic to Roman
403
605
Arithmetic Numbers
585
720
779
882463
782
820
761
Arrows
209
Ascending Primes
124
110
283
381
Card Number Validation
386
641
Catalan’s Constant
143
73
CSS Colors
180
Day of Week
346606471
859
Divisors
891
Emojify
295
Factorial Factorisation
376
Farey Sequence
462
Fizz Buzz
778
847661
976243
977903
906
980
Fractions
709
Intersection
697
ISBN
464
Kaprekar Numbers
135
79
Leap Years
538
Levenshtein Distance
285
N Queens
326
Niven Numbers
629
Niven Numbers (Long)
694
Ordinal Numbers
590
648
PalindromemordnilaP
784
Prime Numbers
645
Quine
615
1,000
440382768
375
634473957
12457189569
493
316
727672
347618214
969278
893672116
893
Repeating Decimals
516
Rock-paper-scissors-Spock-lizard
457
Roman to Arabic
557
Seven Segment
360
Spelling Numbers
347
Star Wars Opening Crawl
403
Tic-tac-toe
554
United States
143
Vampire Numbers
115
86
γ
568548344567333271122303549761119499120514109100
1941994794
52822773411251295583575565718654275102772076848266363
669578586831607148584545
λ
568545547565251281217297210162239186191220248219180
285
π
9210213011385105106123736245668998637251
1493366
1401655931
11014517819225945254641164717542154
66422314785281118145124
τ
89
φ
58
√2
56
𝑒
60
128
76