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 880th dokutan 154 454 69ms 1 Nov 2024 880th CaedenHarper 🇨🇦 154 454 58ms 16 Aug 2025 883rd snoozingnewt 🇨🇦 154 476 2,258ms 27 Sep 2025 884th HumanoidCPU 152 448 148ms 1 Nov 2024 884th Shanethegamer 🇺🇸 152 448 139ms 1 Nov 2024 884th MeWhenI 🇻🇦 152 448 138ms 2 Nov 2024 884th CaedenHarper 🇨🇦 152 448 134ms 16 Aug 2025 888th Shanethegamer 🇺🇸 151 450 815ms 16 Apr 2025 888th KatieLG 🇬🇧 151 450 1,034ms 20 Apr 2025 888th MeWhenI 🇻🇦 151 450 885ms 15 Sep 2025 891st jusaka 151 451 995ms 37 hours ago 892nd KatieLG-Transpiler 🇬🇧 151 578 2ms 9 Jan 2026 893rd adamnielson42 🇺🇸 150 395 4,436ms 3 Dec 2024 894th HumanoidCPU 150 448 1ms 1 Nov 2024 894th Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 894th koipondx86 150 448 1ms 1 Nov 2024 894th MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 894th CaedenHarper 🇨🇦 150 448 1ms 16 Aug 2025 899th ocefra 149 393 128ms 25 Dec 2024 900th jusaka 149 452 2ms 37 hours ago 901st jusaka 149 469 114ms 37 hours ago 902nd KatieLG-Transpiler 🇬🇧 149 538 419ms 9 Jan 2026 903rd Unknownuserfrommars 149 557 3,423ms 10 Dec 2024 904th jusaka 148 461 173ms 37 hours ago 905th jusaka 148 514 54ms 37 hours ago 906th KatieLG 🇬🇧 148 563 1,424ms 1 Nov 2024 907th KatieLG 🇬🇧 147 538 473ms 1 Nov 2024 908th HumanoidCPU 146 456 1ms 1 Nov 2024 908th Shanethegamer 🇺🇸 146 456 2ms 1 Nov 2024 908th CaedenHarper 🇨🇦 146 456 1ms 23 Jan 2025 908th Maashau 146 456 2ms 12 Dec 2025 912th KatieLG 🇬🇧 146 466 157ms 30 Nov 2025 913th KatieLG-Transpiler 🇬🇧 146 522 374ms 9 Jan 2026 914th Maznek 144 364 9ms 8 Nov 2024 914th elisherer 🇮🇱 144 364 10ms 3 Nov 2025 916th HumanoidCPU 144 461 110ms 1 Nov 2024 916th KatieLG 🇬🇧 144 461 109ms 1 Nov 2024 916th Shanethegamer 🇺🇸 144 461 116ms 1 Nov 2024 916th MeWhenI 🇻🇦 144 461 117ms 2 Nov 2024 916th CaedenHarper 🇨🇦 144 461 122ms 24 Jan 2025 921st dokutan 143 349 135ms 27 Dec 2025 922nd jusaka 143 510 5ms 37 hours ago 923rd KatieLG-Transpiler 🇬🇧 143 528 379ms 9 Jan 2026 924th HumanoidCPU 141 446 72ms 1 Nov 2024 924th Shanethegamer 🇺🇸 141 446 72ms 1 Nov 2024 924th MeWhenI 🇻🇦 141 446 75ms 2 Nov 2024 924th CaedenHarper 🇨🇦 141 446 73ms 16 Aug 2025 928th jusaka 140 450 80ms 37 hours ago 929th KatieLG-Transpiler 🇬🇧 140 564 147ms 9 Jan 2026 930th KatieLG 🇬🇧 139 505 668ms 30 Nov 2025 931st HumanoidCPU 138 575 41ms 9 Mar 2025 932nd emgordon154 138 602 2,180ms 12 Dec 2024 933rd denkyuu1 137 346 33ms 6 Mar 2026 934th jusaka 137 486 200ms 37 hours ago 935th dokutan 136 273 3ms 13 Nov 2024 936th KatieLG 🇬🇧 136 465 73ms 30 Nov 2025 937th Kokusui 🇯🇵 135 434 5ms 19 Nov 2024 938th Shanethegamer 🇺🇸 132 443 5ms 8 May 2025 939th KatieLG-Transpiler 🇬🇧 132 505 113ms 9 Jan 2026 940th KatieLG-Transpiler 🇬🇧 132 515 139ms 9 Jan 2026 941st HumanoidCPU 131 445 6ms 1 Nov 2024 941st MeWhenI 🇻🇦 131 445 6ms 2 Nov 2024 941st fischfood 131 445 6ms 8 Nov 2024 941st CaedenHarper 🇨🇦 131 445 6ms 16 Aug 2025 945th GolfingSuccess 🇬🇷 131 452 9ms 1 Nov 2024 945th zbreit 🇺🇸 131 452 11ms 1 Nov 2024 945th Shanethegamer 🇺🇸 131 452 9ms 1 Nov 2024 945th madex 🇩🇪 131 452 10ms 1 Nov 2024 945th jtaxen 131 452 11ms 1 Nov 2024 945th Stockoh 🇫🇷 131 452 9ms 4 Nov 2024 945th evan18c 131 452 10ms 7 Nov 2024 945th roguh 🇬🇹 131 452 11ms 27 Nov 2024 945th mathisfun271 131 452 11ms 25 Jan 2025 945th moustave 131 452 10ms 9 Apr 2025 945th SectorCorruptor 131 452 10ms 24 Jul 2025 945th vgamula 🇺🇦 131 452 9ms 25 Jul 2025 945th Unknownuserfrommars 131 452 9ms 5 Aug 2025 945th JOrE20 131 452 10ms 6 Nov 2025 945th TheSecondComing123 131 452 10ms 25 Feb 2026 960th KatieLG-Transpiler 🇬🇧 131 533 656ms 9 Jan 2026 First Prev 881–960 of 1,178 Next Last