Kaprekar Numbers in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Multitap Input 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 Tower of Hanoi 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 Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 Tower of Hanoi 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 Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 801st MeWhenI 🇻🇦 155 509 37ms 2 Nov 2024 801st CaedenHarper 🇨🇦 155 509 37ms 22 Jan 2025 801st JOrE20 🇺🇸 155 509 39ms 9 days ago 804th KatieLG 🇬🇧 155 510 36ms 1 Nov 2024 805th KatieLG-Transpiler 🇬🇧 155 531 107ms 9 Jan 2026 806th Kokusui 🇯🇵 154 434 4ms 19 Nov 2024 807th HumanoidCPU 154 454 67ms 1 Nov 2024 807th dokutan 154 454 66ms 1 Nov 2024 807th CaedenHarper 🇨🇦 154 454 64ms 16 Aug 2025 810th snoozingnewt 🇨🇦 154 476 2,231ms 27 Sep 2025 811th KatieLG-Transpiler 🇬🇧 154 511 36ms 9 Jan 2026 812th HumanoidCPU 152 448 100ms 1 Nov 2024 812th Shanethegamer 🇺🇸 152 448 100ms 1 Nov 2024 812th MeWhenI 🇻🇦 152 448 98ms 2 Nov 2024 812th CaedenHarper 🇨🇦 152 448 93ms 16 Aug 2025 816th Shanethegamer 🇺🇸 151 443 4ms 8 May 2025 817th Shanethegamer 🇺🇸 151 450 798ms 16 Apr 2025 817th KatieLG 🇬🇧 151 450 841ms 20 Apr 2025 817th MeWhenI 🇻🇦 151 450 839ms 15 Sep 2025 820th HumanoidCPU 150 445 4ms 1 Nov 2024 820th MeWhenI 🇻🇦 150 445 4ms 2 Nov 2024 820th fischfood 150 445 4ms 8 Nov 2024 820th CaedenHarper 🇨🇦 150 445 4ms 16 Aug 2025 824th HumanoidCPU 150 448 1ms 1 Nov 2024 824th Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 824th koipondx86 150 448 2ms 1 Nov 2024 824th MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 824th CaedenHarper 🇨🇦 150 448 2ms 16 Aug 2025 829th KatieLG-Transpiler 🇬🇧 150 538 419ms 9 Jan 2026 830th Unknownuserfrommars 150 557 2,962ms 10 Dec 2024 831st KatieLG-Transpiler 🇬🇧 150 578 2ms 9 Jan 2026 832nd KatieLG 🇬🇧 149 538 465ms 1 Nov 2024 833rd KatieLG 🇬🇧 149 563 980ms 1 Nov 2024 834th HumanoidCPU 148 456 1ms 1 Nov 2024 834th Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 834th CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 834th Maashau 148 456 2ms 12 Dec 2025 838th Maznek 146 364 9ms 8 Nov 2024 838th elisherer 🇮🇱 146 364 10ms 3 Nov 2025 840th HumanoidCPU 146 461 114ms 1 Nov 2024 840th KatieLG 🇬🇧 146 461 103ms 1 Nov 2024 840th Shanethegamer 🇺🇸 146 461 124ms 1 Nov 2024 840th MeWhenI 🇻🇦 146 461 117ms 2 Nov 2024 840th CaedenHarper 🇨🇦 146 461 104ms 24 Jan 2025 845th KatieLG 🇬🇧 146 466 118ms 30 Nov 2025 846th KatieLG-Transpiler 🇬🇧 145 528 362ms 9 Jan 2026 847th dokutan 143 349 127ms 27 Dec 2025 848th KatieLG 🇬🇧 143 469 4ms 30 Nov 2025 849th KatieLG-Transpiler 🇬🇧 142 564 153ms 9 Jan 2026 850th HumanoidCPU 141 446 72ms 1 Nov 2024 850th Shanethegamer 🇺🇸 141 446 73ms 1 Nov 2024 850th MeWhenI 🇻🇦 141 446 79ms 2 Nov 2024 850th CaedenHarper 🇨🇦 141 446 71ms 16 Aug 2025 854th emgordon154 139 602 1,729ms 12 Dec 2024 855th KatieLG 🇬🇧 138 505 625ms 30 Nov 2025 856th GolfingSuccess 🇬🇷 137 452 10ms 1 Nov 2024 856th zbreit 🇺🇸 137 452 10ms 1 Nov 2024 856th Shanethegamer 🇺🇸 137 452 11ms 1 Nov 2024 856th madex 🇩🇪 137 452 11ms 1 Nov 2024 856th jtaxen 137 452 10ms 1 Nov 2024 856th Stockoh 🇫🇷 137 452 10ms 4 Nov 2024 856th evan18c 137 452 10ms 7 Nov 2024 856th roguh 🇬🇹 137 452 9ms 27 Nov 2024 856th mathisfun271 137 452 10ms 25 Jan 2025 856th moustave 137 452 10ms 9 Apr 2025 856th SectorCorruptor 137 452 10ms 24 Jul 2025 856th vgamula 🇺🇦 137 452 11ms 25 Jul 2025 856th Unknownuserfrommars 137 452 10ms 5 Aug 2025 856th JOrE20 🇺🇸 137 452 10ms 6 Nov 2025 870th HumanoidCPU 137 575 41ms 9 Mar 2025 871st dokutan 136 273 3ms 13 Nov 2024 872nd KasperKivimaeki 🇫🇮 136 457 10ms 15 Jul 2025 873rd muser-logiccpu 🇺🇦 135 458 9ms 9 Aug 2025 874th KatieLG 🇬🇧 135 465 110ms 30 Nov 2025 875th Shanethegamer 🇺🇸 134 452 367ms 1 Nov 2024 875th JOrE20 🇺🇸 134 452 423ms 9 days ago 877th dokutan 134 473 2ms 1 Nov 2024 878th KatieLG 🇬🇧 133 475 1ms 1 Nov 2024 879th KatieLG-Transpiler 🇬🇧 133 505 112ms 9 Jan 2026 880th KatieLG 🇬🇧 132 487 1ms 30 Nov 2025 First Prev 801–880 of 1,069 Next Last