Abundant Numbers
633
718
Abundant Numbers (Long)
787
Arabic to Roman
490
Arrows
534
brainfuck
630
Card Number Validation
604
Christmas Trees
663
CSS Colors
75
Cubes
475
Diamonds
409
Divisors
531844
Emirp Numbers
761
Emojify
353
Evil Numbers
785
Fibonacci
527986
Fizz Buzz
876
Forsyth–Edwards Notation
579
Gijswijt’s Sequence
502
Happy Numbers
374
ISBN
620
Kaprekar Numbers
604
Kolakoski Constant
538
Kolakoski Sequence
849
Leap Years
864
Morse Encoder
590
Niven Numbers
938
Odious Numbers
783
Ordinal Numbers
618
Pangram Grep
733
Pascal’s Triangle
650
Pernicious Numbers
798
Prime Numbers
633
Quine
946
Roman to Arabic
520
Seven Segment
447
Sierpiński Triangle
335
Spelling Numbers
216
Zeckendorf Representation
646
λ
233
π
443
φ
580
√2
977
𝑒
688