12 Days of Christmas
892
99 Bottles of Beer
825
Abundant Numbers
773
Abundant Numbers (Long)
903
Arabic to Roman
799
Arithmetic Numbers
899
Arrows
551
Ascending Primes
752
ASCII Table
728
Calendar
937
Card Number Validation
643
Catalan Numbers
893
Catalan’s Constant
499
Christmas Trees
859
Collatz
871
CSS Colors
256
Day of Week
961
Diamonds
715
Divisors
984
Emirp Numbers
831
Emirp Numbers (Long)
784
Emojify
416
Evil Numbers
982
Evil Numbers (Long)
952
Factorial Factorisation
590
Farey Sequence
573
Fibonacci
935
Fizz Buzz
977
Foo Fizz Buzz Bar
987
Fractions
746
Happy Numbers
779
Happy Numbers (Long)
853
Hexdump
895
Inventory Sequence
870
ISBN
788
Kaprekar Numbers
519
Leap Years
902
ln 2
971
Niven Numbers
941
Niven Numbers (Long)
858
Number Spiral
459
Odious Numbers
852
Odious Numbers (Long)
831
Ordinal Numbers
849
PalindromemordnilaP
860
Pangram Grep
911
Pascal’s Triangle
924
Pernicious Numbers
782
Pernicious Numbers (Long)
904
Prime Numbers
935
Prime Numbers (Long)
952
Quine
947
Recamán
840
Rijndael S-box
214
Roman to Arabic
805
ROT13
917
Scrambled Sort
900
Spelling Numbers
495
Tongue-twisters
653
Transpose Sentence
863
United States
847
γ
447
π
871
τ
498
φ
940
√2
982
𝑒
979