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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 799th Shanethegamer 🇺🇸 189 447 1,238ms 1 Nov 2024 799th MeWhenI 🇻🇦 189 447 1,191ms 2 Nov 2024 799th CaedenHarper 🇨🇦 189 447 1,325ms 25 Jan 2025 804th CaedenHarper 🇨🇦 189 815 5ms 17 Aug 2025 805th Shanethegamer 🇺🇸 188 444 65ms 22 Nov 2024 806th KatieLG 🇬🇧 188 448 1,289ms 1 Nov 2024 807th jusaka 188 519 142ms 3 days ago 808th HumanoidCPU 187 446 66ms 27 Jan 2025 809th KatieLG-Transpiler 🇬🇧 187 451 1,206ms 9 Jan 2026 810th KatieLG 🇬🇧 186 447 61ms 1 Nov 2024 810th MeWhenI 🇻🇦 186 447 62ms 2 Nov 2024 810th CaedenHarper 🇨🇦 186 447 61ms 25 Jan 2025 810th KatieLG-Transpiler 🇬🇧 186 447 61ms 9 Jan 2026 814th jusaka 186 453 1,726ms 3 days ago 815th jusaka 186 520 9ms 3 days ago 816th KatieLG 🇬🇧 186 521 9ms 1 Nov 2024 816th KatieLG-Transpiler 🇬🇧 186 521 10ms 9 Jan 2026 818th HumanoidCPU 185 519 111ms 1 Nov 2024 818th Shanethegamer 🇺🇸 185 519 110ms 1 Nov 2024 818th KatieLG 🇬🇧 185 519 117ms 1 Nov 2024 818th dokutan 185 519 108ms 1 Nov 2024 818th MeWhenI 🇻🇦 185 519 112ms 2 Nov 2024 818th CaedenHarper 🇨🇦 185 519 107ms 25 Jan 2025 818th KatieLG-Transpiler 🇬🇧 185 519 118ms 9 Jan 2026 825th KatieLG 🇬🇧 184 258 35ms 7 Jan 2026 826th jusaka 184 521 171ms 3 days ago 827th Shanethegamer 🇺🇸 181 447 4ms 1 Nov 2024 827th CaedenHarper 🇨🇦 181 447 4ms 31 Jan 2025 829th KatieLG 🇬🇧 181 448 4ms 1 Nov 2024 829th MeWhenI 🇻🇦 181 448 4ms 2 Nov 2024 829th KatieLG-Transpiler 🇬🇧 181 448 3ms 9 Jan 2026 832nd HumanoidCPU 179 460 106ms 1 Nov 2024 832nd MeWhenI 🇻🇦 179 460 109ms 2 Nov 2024 832nd klixel 🇨🇦 179 460 111ms 15 Nov 2024 832nd Shanethegamer 🇺🇸 179 460 112ms 20 Feb 2025 832nd CaedenHarper 🇨🇦 179 460 112ms 16 Aug 2025 837th flekAI 177 483 41ms 8 hours ago 838th flekAI 176 460 4ms 8 hours ago 839th Jacob385 176 873 4ms 1 Nov 2024 840th jusaka 176 983 8ms 3 days ago 841st Shanethegamer 🇺🇸 175 475 58ms 1 Nov 2024 841st CaedenHarper 🇨🇦 175 475 55ms 23 Jan 2025 841st HumanoidCPU 175 475 57ms 28 Nov 2025 844th Blendi-Goose 174 387 1ms 7 Oct 2025 845th JOrE20 174 436 41ms 2 Feb 2026 846th MeWhenI 🇻🇦 174 455 39ms 2 Nov 2024 847th KatieLG 🇬🇧 173 513 238ms 1 Nov 2024 847th KatieLG-Transpiler 🇬🇧 173 513 189ms 9 Jan 2026 849th HumanoidCPU 172 441 38ms 1 Nov 2024 849th KatieLG 🇬🇧 172 441 38ms 1 Nov 2024 849th Shanethegamer 🇺🇸 172 441 37ms 1 Nov 2024 849th MeWhenI 🇻🇦 172 441 39ms 2 Nov 2024 849th CaedenHarper 🇨🇦 172 441 38ms 25 Jan 2025 854th jusaka 172 518 7ms 3 days ago 855th KatieLG-Transpiler 🇬🇧 171 445 38ms 9 Jan 2026 856th jusaka 171 1,195 12ms 3 days ago 857th dokutan 170 392 114ms 29 Dec 2025 858th HumanoidCPU 170 449 120ms 1 Nov 2024 858th KatieLG 🇬🇧 170 449 126ms 1 Nov 2024 858th Shanethegamer 🇺🇸 170 449 116ms 1 Nov 2024 858th MeWhenI 🇻🇦 170 449 125ms 2 Nov 2024 858th CaedenHarper 🇨🇦 170 449 124ms 16 Aug 2025 863rd HumanoidCPU 170 470 522ms 8 Nov 2025 864th jusaka 170 488 1,877ms 3 days ago 865th brimstonetrader 168 353 717ms 5 Nov 2024 866th Shanethegamer 🇺🇸 168 471 467ms 1 Nov 2024 867th KatieLG 🇬🇧 168 472 42ms 1 Nov 2024 868th CLOStrophobic 🇮🇹 167 356 4,428ms 9 Feb 2025 869th MeWhenI 🇻🇦 167 472 486ms 2 Nov 2024 869th CaedenHarper 🇨🇦 167 472 448ms 24 Jan 2025 871st HumanoidCPU 167 473 464ms 1 Nov 2024 872nd jusaka 167 479 491ms 3 days ago 873rd HumanoidCPU 166 441 3ms 1 Nov 2024 873rd KatieLG 🇬🇧 166 441 3ms 1 Nov 2024 873rd Shanethegamer 🇺🇸 166 441 3ms 1 Nov 2024 873rd MeWhenI 🇻🇦 166 441 3ms 2 Nov 2024 873rd CaedenHarper 🇨🇦 166 441 3ms 31 Jan 2025 873rd KatieLG-Transpiler 🇬🇧 166 441 3ms 9 Jan 2026 879th flekAI 166 458 118ms 8 hours ago 880th jusaka 166 724 11ms 3 days ago First Prev 801–880 of 1,216 Next Last