12 Days of Christmas
725
99 Bottles of Beer
604
Abundant Numbers
534
Abundant Numbers (Long)
637
Arabic to Roman
298
Arithmetic Numbers
718
Ascending Primes
363
Card Number Validation
331
Catalan Numbers
393
Catalan’s Constant
164
Christmas Trees
649
Collatz
672
Diamonds
266
Divisors
863
Emirp Numbers
466
Emirp Numbers (Long)
512
Emojify
297
Evil Numbers
714
Evil Numbers (Long)
702
Fibonacci
500
Fizz Buzz
945
Foo Fizz Buzz Bar
862
Happy Numbers
437
Happy Numbers (Long)
500
Leyland Numbers
634
Morse Decoder
102
Niven Numbers
646
Niven Numbers (Long)
709
Odious Numbers
713
Odious Numbers (Long)
700
Ordinal Numbers
530
Prime Numbers
516
Prime Numbers (Long)
549
Rock-paper-scissors-Spock-lizard
394
Spelling Numbers
364
Time Distance
378
Vampire Numbers
459
π
381
τ
363
φ
699
√2
601
𝑒
348