Kaprekar Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 896th HumanoidCPU 0 449 163ms 18 Aug 2025 896th HumanoidCPU 0 449 15ms 18 Aug 2025 896th HumanoidCPU 0 449 96ms 18 Aug 2025 896th HumanoidCPU 0 449 2ms 18 Aug 2025 896th HumanoidCPU 0 449 193ms 18 Aug 2025 906th Shanethegamer 🇺🇸 0 452 750ms 16 Apr 2025 906th Shanethegamer 🇺🇸 0 452 2ms 17 Apr 2025 906th HumanoidCPU 0 452 2ms 18 Aug 2025 906th HumanoidCPU 0 452 769ms 18 Aug 2025 910th Shanethegamer 🇺🇸 0 454 7ms 17 Apr 2025 910th HumanoidCPU 0 454 7ms 18 Aug 2025 912th Shanethegamer 🇺🇸 0 457 63ms 16 Apr 2025 912th HumanoidCPU 0 457 62ms 18 Aug 2025 914th Shanethegamer 🇺🇸 0 462 554ms 14 Apr 2025 914th HumanoidCPU 0 462 589ms 18 Aug 2025 916th Shanethegamer 🇺🇸 0 466 65ms 3 Jul 2025 917th HumanoidCPU 0 468 88ms 18 Aug 2025 918th Shanethegamer 🇺🇸 0 487 272ms 17 Apr 2025 918th HumanoidCPU 0 487 272ms 18 Aug 2025 920th Shanethegamer 🇺🇸 0 493 299ms 11 May 2025 921st KatieLG 🇬🇧 0 508 48ms 20 Apr 2025 922nd KatieLG 🇬🇧 0 509 357ms 20 Apr 2025 923rd KatieLG 🇬🇧 0 510 2ms 9 Feb 2025 923rd HumanoidCPU 0 510 2ms 18 Aug 2025 923rd Shanethegamer 🇺🇸 0 510 3ms 23 Sep 2025 926th KatieLG 🇬🇧 0 513 2ms 20 Apr 2025 926th HumanoidCPU 0 513 2ms 18 Aug 2025 928th KatieLG 🇬🇧 0 515 2ms 20 Apr 2025 928th KatieLG 🇬🇧 0 515 779ms 20 Apr 2025 930th KatieLG 🇬🇧 0 516 16ms 20 Apr 2025 930th KatieLG 🇬🇧 0 516 89ms 20 Apr 2025 930th KatieLG 🇬🇧 0 516 8ms 20 Apr 2025 933rd KatieLG 🇬🇧 0 517 179ms 23 Apr 2025 934th KatieLG 🇬🇧 0 519 2ms 20 Apr 2025 935th KatieLG 🇬🇧 0 520 81ms 23 Apr 2025 936th KatieLG 🇬🇧 0 521 8ms 20 Apr 2025 937th Shanethegamer 🇺🇸 0 527 3ms 28 Jul 2025 937th HumanoidCPU 0 527 4ms 18 Aug 2025 939th KatieLG 🇬🇧 0 529 596ms 20 Apr 2025 939th KatieLG 🇬🇧 0 529 139ms 18 days ago 941st Shanethegamer 🇺🇸 0 535 4ms 20 Apr 2025 941st HumanoidCPU 0 535 4ms 18 Aug 2025 943rd KatieLG 🇬🇧 0 554 73ms 20 Apr 2025 944th KatieLG 🇬🇧 0 556 270ms 20 Apr 2025 945th HumanoidCPU 0 560 283ms 18 Aug 2025 946th KatieLG 🇬🇧 0 563 65ms 20 Apr 2025 947th KatieLG 🇬🇧 0 565 293ms 20 Apr 2025 948th KatieLG 🇬🇧 0 581 5ms 20 Apr 2025 949th KatieLG 🇬🇧 0 644 6ms 20 Apr 2025 949th Shanethegamer 🇺🇸 0 644 6ms 23 Apr 2025 949th HumanoidCPU 0 644 6ms 3 days ago 952nd Shanethegamer 🇺🇸 0 711 1ms 23 Apr 2025 953rd KatieLG 🇬🇧 0 779 2ms 20 Apr 2025 954th HumanoidCPU 0 847 14ms 42 hours ago 955th KatieLG 🇬🇧 0 915 8ms 20 Apr 2025 956th KatieLG 🇬🇧 0 983 15ms 20 Apr 2025 957th KatieLG 🇬🇧 0 1,051 3ms 20 Apr 2025 958th Shanethegamer 🇺🇸 0 1,322 7ms 23 Apr 2025 959th KatieLG 🇬🇧 0 1,390 6ms 20 Apr 2025 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