12 Days of Christmas
334
99 Bottles of Beer
345
Abundant Numbers
513
Abundant Numbers (Long)
565
Arabic to Roman
213
Arithmetic Numbers
612
Ascending Primes
321
Card Number Validation
268
Catalan Numbers
393
Catalan’s Constant
138
Christmas Trees
565
Collatz
607
Diamonds
222
Divisors
818
Emirp Numbers
378
Emirp Numbers (Long)
426
Emojify
268
Evil Numbers
714
Evil Numbers (Long)
702
Fibonacci
500
Fizz Buzz
862
Foo Fizz Buzz Bar
685
Happy Numbers
339
Happy Numbers (Long)
424
Leyland Numbers
540
Morse Decoder
118
Niven Numbers
645
Niven Numbers (Long)
707
Odious Numbers
713
Odious Numbers (Long)
700
Ordinal Numbers
432
Prime Numbers
516
Prime Numbers (Long)
549
Rock-paper-scissors-Spock-lizard
302
Spelling Numbers
213
Time Distance
210
Vampire Numbers
339
π
340
τ
325
φ
683
√2
599
𝑒
347