12 Days of Christmas
329
99 Bottles of Beer
345
Abundant Numbers
538510
Abundant Numbers (Long)
561
Arabic to Roman
212
Arithmetic Numbers
607
Ascending Primes
318
Card Number Validation
266
Catalan Numbers
391
Catalan’s Constant
138
Christmas Trees
563
Collatz
606
Continued Fractions
295
Diamonds
221
Divisors
536811
Emirp Numbers
376
Emirp Numbers (Long)
422
Emojify
266
Evil Numbers
481713
Evil Numbers (Long)
482700
Fibonacci
370545
Fizz Buzz
861
Foo Fizz Buzz Bar
684
Fractions
430
Happy Numbers
337
Happy Numbers (Long)
421
Leyland Numbers
535
Morse Decoder
118
Niven Numbers
641
Niven Numbers (Long)
269701
Odious Numbers
537710
Odious Numbers (Long)
696
Ordinal Numbers
425
Prime Numbers
488516
Prime Numbers (Long)
548
Rock-paper-scissors-Spock-lizard
302
Spelling Numbers
208
Time Distance
210
Tongue-twisters
276
Vampire Numbers
335
π
339
τ
323
φ
681
√2
595
𝑒
345