12 Days of Christmas
892
99 Bottles of Beer
825
Abundant Numbers
773
Abundant Numbers (Long)
903
Arabic to Roman
799
Arithmetic Numbers
900
Arrows
551
Ascending Primes
752
ASCII Table
728
Calendar
941
Card Number Validation
643
Catalan Numbers
893
Catalan’s Constant
499
Christmas Trees
860
Collatz
871
CSS Colors
256
Day of Week
962
Diamonds
715
Divisors
984
Emirp Numbers
831
Emirp Numbers (Long)
784
Emojify
416
Evil Numbers
982
Evil Numbers (Long)
953
Factorial Factorisation
590
Farey Sequence
573
Fibonacci
935
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
746
Happy Numbers
779
Happy Numbers (Long)
853
Hexdump
895
Inventory Sequence
870
ISBN
789
Kaprekar Numbers
519
Kolakoski Constant
680
Kolakoski Sequence
851
Leap Years
902
Leyland Numbers
960
ln 2
972
Medal Tally
757
Niven Numbers
942
Niven Numbers (Long)
858
Number Spiral
459
Odious Numbers
852
Odious Numbers (Long)
832
Ordinal Numbers
839
PalindromemordnilaP
861
Pangram Grep
911
Pascal’s Triangle
924
Pernicious Numbers
783
Pernicious Numbers (Long)
904
Prime Numbers
935
Prime Numbers (Long)
953
Quine
947
Recamán
840
Rijndael S-box
215
Roman to Arabic
806
ROT13
918
Scrambled Sort
901
Seven Segment
757
Spelling Numbers
495
Tongue-twisters
653
Transpose Sentence
864
United States
847
γ
447
π
871
τ
498
φ
940
√2
982
𝑒
979