12 Days of Christmas
898
99 Bottles of Beer
831
Abundant Numbers
785
Abundant Numbers (Long)
924
Arabic to Roman
821
Arithmetic Numbers
923
Arrows
566
Ascending Primes
779
ASCII Table
737
Calendar
980
Card Number Validation
669
Catalan Numbers
917
Catalan’s Constant
511
Christmas Trees
873
Collatz
887
CSS Colors
267
Day of Week
1,000
Diamonds
728
Divisors
1,000
Emirp Numbers
848
Emirp Numbers (Long)
809
Emojify
424
Evil Numbers
1,000
Evil Numbers (Long)
976
Factorial Factorisation
610
Farey Sequence
595
Fibonacci
947
Fizz Buzz
983
Foo Fizz Buzz Bar
1,000
Fractions
768
Happy Numbers
795
Happy Numbers (Long)
878
Hexdump
919
Inventory Sequence
900
ISBN
813
Kaprekar Numbers
538
Leap Years
915
ln 2
1,000
Niven Numbers
957
Niven Numbers (Long)
877
Number Spiral
476
Odious Numbers
870
Odious Numbers (Long)
854
Ordinal Numbers
871
PalindromemordnilaP
899
Pangram Grep
935
Pascal’s Triangle
947
Pernicious Numbers
800
Pernicious Numbers (Long)
929
Prime Numbers
952
Prime Numbers (Long)
978
Quine
969
Recamán
859
Rijndael S-box
223
Roman to Arabic
831
ROT13
958
Scrambled Sort
947
Spelling Numbers
516
Tongue-twisters
657
Transpose Sentence
906
United States
863
γ
462
π
890
τ
512
φ
964
√2
1,000
𝑒
1,000