12 Days of Christmas
722
99 Bottles of Beer
604
Abundant Numbers
586535
Abundant Numbers (Long)
628
Arabic to Roman
298
Arithmetic Numbers
709
Ascending Primes
364
Card Number Validation
331
Catalan Numbers
393
Catalan’s Constant
164
Christmas Trees
649
Collatz
672
Continued Fractions
427
Diamonds
266
Divisors
543877
Emirp Numbers
459
Emirp Numbers (Long)
512
Emojify
298
Evil Numbers
482714
Evil Numbers (Long)
485702
Fibonacci
377547
Fizz Buzz
945
Foo Fizz Buzz Bar
862
Fractions
506
Happy Numbers
437
Happy Numbers (Long)
500
Leyland Numbers
634
Morse Decoder
102
Niven Numbers
646
Niven Numbers (Long)
277709
Odious Numbers
540713
Odious Numbers (Long)
700
Ordinal Numbers
524
Prime Numbers
509517
Prime Numbers (Long)
550
Rock-paper-scissors-Spock-lizard
394
Spelling Numbers
344
Time Distance
378
Tongue-twisters
495
Vampire Numbers
460
π
381
τ
363
φ
699
√2
602
𝑒
348