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 800th CaedenHarper 🇨🇦 155 509 37ms 22 Jan 2025 800th JOrE20 155 509 39ms 8 days ago 803rd KatieLG 🇬🇧 155 510 36ms 1 Nov 2024 804th KatieLG-Transpiler 🇬🇧 155 531 107ms 9 Jan 2026 805th Kokusui 🇯🇵 154 434 4ms 19 Nov 2024 806th HumanoidCPU 154 454 67ms 1 Nov 2024 806th dokutan 154 454 66ms 1 Nov 2024 806th CaedenHarper 🇨🇦 154 454 64ms 16 Aug 2025 809th snoozingnewt 🇨🇦 154 476 2,231ms 27 Sep 2025 810th KatieLG-Transpiler 🇬🇧 154 511 36ms 9 Jan 2026 811th HumanoidCPU 152 448 100ms 1 Nov 2024 811th Shanethegamer 🇺🇸 152 448 100ms 1 Nov 2024 811th MeWhenI 🇻🇦 152 448 98ms 2 Nov 2024 811th CaedenHarper 🇨🇦 152 448 93ms 16 Aug 2025 815th Shanethegamer 🇺🇸 151 443 4ms 8 May 2025 816th Shanethegamer 🇺🇸 151 450 798ms 16 Apr 2025 816th KatieLG 🇬🇧 151 450 841ms 20 Apr 2025 816th MeWhenI 🇻🇦 151 450 839ms 15 Sep 2025 819th HumanoidCPU 150 445 4ms 1 Nov 2024 819th MeWhenI 🇻🇦 150 445 4ms 2 Nov 2024 819th fischfood 150 445 4ms 8 Nov 2024 819th CaedenHarper 🇨🇦 150 445 4ms 16 Aug 2025 823rd HumanoidCPU 150 448 1ms 1 Nov 2024 823rd Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 823rd koipondx86 150 448 2ms 1 Nov 2024 823rd MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 823rd CaedenHarper 🇨🇦 150 448 2ms 16 Aug 2025 828th KatieLG-Transpiler 🇬🇧 150 538 419ms 9 Jan 2026 829th Unknownuserfrommars 150 557 2,962ms 10 Dec 2024 830th KatieLG-Transpiler 🇬🇧 150 578 2ms 9 Jan 2026 831st KatieLG 🇬🇧 149 538 465ms 1 Nov 2024 832nd KatieLG 🇬🇧 149 563 980ms 1 Nov 2024 833rd HumanoidCPU 148 456 1ms 1 Nov 2024 833rd Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 833rd CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 833rd Maashau 148 456 2ms 12 Dec 2025 837th Maznek 146 364 9ms 8 Nov 2024 837th elisherer 🇮🇱 146 364 10ms 3 Nov 2025 839th HumanoidCPU 146 461 114ms 1 Nov 2024 839th KatieLG 🇬🇧 146 461 103ms 1 Nov 2024 839th Shanethegamer 🇺🇸 146 461 124ms 1 Nov 2024 839th MeWhenI 🇻🇦 146 461 117ms 2 Nov 2024 839th CaedenHarper 🇨🇦 146 461 104ms 24 Jan 2025 844th KatieLG 🇬🇧 146 466 118ms 30 Nov 2025 845th KatieLG-Transpiler 🇬🇧 145 528 362ms 9 Jan 2026 846th dokutan 143 349 127ms 27 Dec 2025 847th KatieLG 🇬🇧 143 469 4ms 30 Nov 2025 848th KatieLG-Transpiler 🇬🇧 142 564 153ms 9 Jan 2026 849th HumanoidCPU 141 446 72ms 1 Nov 2024 849th Shanethegamer 🇺🇸 141 446 73ms 1 Nov 2024 849th MeWhenI 🇻🇦 141 446 79ms 2 Nov 2024 849th CaedenHarper 🇨🇦 141 446 71ms 16 Aug 2025 853rd emgordon154 139 602 1,729ms 12 Dec 2024 854th KatieLG 🇬🇧 138 505 625ms 30 Nov 2025 855th GolfingSuccess 🇬🇷 137 452 10ms 1 Nov 2024 855th zbreit 🇺🇸 137 452 10ms 1 Nov 2024 855th Shanethegamer 🇺🇸 137 452 11ms 1 Nov 2024 855th madex 🇩🇪 137 452 11ms 1 Nov 2024 855th jtaxen 137 452 10ms 1 Nov 2024 855th Stockoh 🇫🇷 137 452 10ms 4 Nov 2024 855th evan18c 137 452 10ms 7 Nov 2024 855th roguh 🇬🇹 137 452 9ms 27 Nov 2024 855th mathisfun271 137 452 10ms 25 Jan 2025 855th moustave 137 452 10ms 9 Apr 2025 855th SectorCorruptor 137 452 10ms 24 Jul 2025 855th vgamula 🇺🇦 137 452 11ms 25 Jul 2025 855th Unknownuserfrommars 137 452 10ms 5 Aug 2025 855th JOrE20 137 452 10ms 6 Nov 2025 869th HumanoidCPU 137 575 41ms 9 Mar 2025 870th dokutan 136 273 3ms 13 Nov 2024 871st KasperKivimaeki 🇫🇮 136 457 10ms 15 Jul 2025 872nd muser-logiccpu 🇺🇦 135 458 9ms 9 Aug 2025 873rd KatieLG 🇬🇧 135 465 110ms 30 Nov 2025 874th Shanethegamer 🇺🇸 134 452 367ms 1 Nov 2024 874th JOrE20 134 452 423ms 8 days ago 876th dokutan 134 473 2ms 1 Nov 2024 877th KatieLG 🇬🇧 133 475 1ms 1 Nov 2024 878th KatieLG-Transpiler 🇬🇧 133 505 112ms 9 Jan 2026 879th KatieLG 🇬🇧 132 487 1ms 30 Nov 2025 880th KatieLG-Transpiler 🇬🇧 132 515 94ms 9 Jan 2026 First Prev 801–880 of 1,067 Next Last