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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 801st HumanoidCPU 165 441 3ms 1 Nov 2024 801st KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 801st Shanethegamer 🇺🇸 165 441 3ms 1 Nov 2024 801st MeWhenI 🇻🇦 165 441 3ms 2 Nov 2024 801st CaedenHarper 🇨🇦 165 441 3ms 31 Jan 2025 801st KatieLG-Transpiler 🇬🇧 165 441 3ms 9 Jan 2026 807th MeWhenI 🇻🇦 165 445 3,358ms 2 Nov 2024 807th CaedenHarper 🇨🇦 165 445 3,414ms 1 Feb 2025 809th HumanoidCPU 165 458 404ms 1 Nov 2024 809th Shanethegamer 🇺🇸 165 458 402ms 1 Nov 2024 809th dokutan 165 458 401ms 1 Nov 2024 809th mwarvik 🇳🇴 165 458 417ms 5 Jan 2026 813th HumanoidCPU 162 452 3,550ms 1 Nov 2024 813th Shanethegamer 🇺🇸 162 452 3,553ms 1 Nov 2024 815th HumanoidCPU 160 657 30ms 4 Nov 2025 816th CaedenHarper 🇨🇦 159 659 26ms 16 Aug 2025 817th KatieLG-Transpiler 🇬🇧 159 660 26ms 9 Jan 2026 818th KatieLG-Transpiler 🇬🇧 157 972 4ms 9 Jan 2026 819th KatieLG-Transpiler 🇬🇧 156 522 374ms 9 Jan 2026 820th MeWhenI 🇻🇦 155 509 37ms 2 Nov 2024 820th CaedenHarper 🇨🇦 155 509 37ms 22 Jan 2025 820th JOrE20 155 509 38ms 2 Feb 2026 823rd KatieLG 🇬🇧 155 510 36ms 1 Nov 2024 824th KatieLG-Transpiler 🇬🇧 155 531 106ms 9 Jan 2026 825th Kokusui 🇯🇵 154 434 5ms 19 Nov 2024 826th HumanoidCPU 154 454 64ms 1 Nov 2024 826th dokutan 154 454 64ms 1 Nov 2024 826th CaedenHarper 🇨🇦 154 454 67ms 16 Aug 2025 829th snoozingnewt 🇨🇦 154 476 4,107ms 27 Sep 2025 830th KatieLG-Transpiler 🇬🇧 154 511 36ms 9 Jan 2026 831st HumanoidCPU 152 448 148ms 1 Nov 2024 831st Shanethegamer 🇺🇸 152 448 139ms 1 Nov 2024 831st MeWhenI 🇻🇦 152 448 143ms 2 Nov 2024 831st CaedenHarper 🇨🇦 152 448 134ms 16 Aug 2025 835th Shanethegamer 🇺🇸 151 443 4ms 8 May 2025 836th Shanethegamer 🇺🇸 151 450 798ms 16 Apr 2025 836th KatieLG 🇬🇧 151 450 841ms 20 Apr 2025 836th MeWhenI 🇻🇦 151 450 839ms 15 Sep 2025 839th adamnielson42 🇺🇸 150 395 4,427ms 3 Dec 2024 840th HumanoidCPU 150 445 4ms 1 Nov 2024 840th MeWhenI 🇻🇦 150 445 4ms 2 Nov 2024 840th fischfood 150 445 5ms 8 Nov 2024 840th CaedenHarper 🇨🇦 150 445 5ms 16 Aug 2025 844th HumanoidCPU 150 448 1ms 1 Nov 2024 844th Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 844th koipondx86 150 448 1ms 1 Nov 2024 844th MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 844th CaedenHarper 🇨🇦 150 448 1ms 16 Aug 2025 849th KatieLG-Transpiler 🇬🇧 150 578 2ms 9 Jan 2026 850th KatieLG-Transpiler 🇬🇧 149 538 419ms 9 Jan 2026 851st Unknownuserfrommars 149 557 3,414ms 10 Dec 2024 852nd KatieLG 🇬🇧 147 563 1,376ms 1 Nov 2024 853rd HumanoidCPU 146 456 1ms 1 Nov 2024 853rd Shanethegamer 🇺🇸 146 456 2ms 1 Nov 2024 853rd CaedenHarper 🇨🇦 146 456 1ms 23 Jan 2025 853rd Maashau 146 456 2ms 12 Dec 2025 857th KatieLG 🇬🇧 146 466 158ms 30 Nov 2025 858th KatieLG 🇬🇧 146 538 491ms 1 Nov 2024 859th Maznek 144 364 13ms 8 Nov 2024 859th elisherer 🇮🇱 144 364 9ms 3 Nov 2025 861st HumanoidCPU 144 461 112ms 1 Nov 2024 861st KatieLG 🇬🇧 144 461 118ms 1 Nov 2024 861st Shanethegamer 🇺🇸 144 461 123ms 1 Nov 2024 861st MeWhenI 🇻🇦 144 461 110ms 2 Nov 2024 861st CaedenHarper 🇨🇦 144 461 110ms 24 Jan 2025 866th dokutan 143 349 125ms 27 Dec 2025 867th KatieLG 🇬🇧 143 469 5ms 30 Nov 2025 868th KatieLG-Transpiler 🇬🇧 143 528 379ms 9 Jan 2026 869th HumanoidCPU 141 446 72ms 1 Nov 2024 869th Shanethegamer 🇺🇸 141 446 72ms 1 Nov 2024 869th MeWhenI 🇻🇦 141 446 75ms 2 Nov 2024 869th CaedenHarper 🇨🇦 141 446 73ms 16 Aug 2025 873rd KatieLG-Transpiler 🇬🇧 140 564 148ms 9 Jan 2026 874th KatieLG 🇬🇧 138 505 640ms 30 Nov 2025 875th emgordon154 138 602 2,205ms 12 Dec 2024 876th denkyuu1 137 346 35ms 13 days ago 877th HumanoidCPU 137 575 41ms 9 Mar 2025 878th dokutan 136 273 3ms 13 Nov 2024 879th KatieLG 🇬🇧 135 465 73ms 30 Nov 2025 880th dokutan 134 473 1ms 1 Nov 2024 First Prev 801–880 of 1,093 Next Last