12 Days of Christmas
334
99 Bottles of Beer
345
Abundant Numbers
542513
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
608
Continued Fractions
298
Diamonds
222
Divisors
543831
Emirp Numbers
378
Emirp Numbers (Long)
426
Emojify
268
Evil Numbers
482714
Evil Numbers (Long)
485702
Fibonacci
377547
Fizz Buzz
862
Foo Fizz Buzz Bar
685
Fractions
430
Happy Numbers
339
Happy Numbers (Long)
424
Leyland Numbers
540
Morse Decoder
118
Niven Numbers
645
Niven Numbers (Long)
273707
Odious Numbers
540713
Odious Numbers (Long)
700
Ordinal Numbers
425
Prime Numbers
488517
Prime Numbers (Long)
550
Rock-paper-scissors-Spock-lizard
302
Spelling Numbers
208
Time Distance
210
Tongue-twisters
276
Vampire Numbers
339
π
340
τ
325
φ
684
√2
599
𝑒
347