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 879th MeWhenI 🇻🇦 152 448 138ms 2 Nov 2024 879th CaedenHarper 🇨🇦 152 448 134ms 16 Aug 2025 883rd Shanethegamer 🇺🇸 151 450 815ms 16 Apr 2025 883rd KatieLG 🇬🇧 151 450 1,034ms 20 Apr 2025 883rd MeWhenI 🇻🇦 151 450 885ms 15 Sep 2025 886th jusaka 151 451 995ms 9 hours ago 887th KatieLG-Transpiler 🇬🇧 151 578 2ms 9 Jan 2026 888th adamnielson42 🇺🇸 150 395 4,436ms 3 Dec 2024 889th HumanoidCPU 150 448 1ms 1 Nov 2024 889th Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 889th koipondx86 150 448 1ms 1 Nov 2024 889th MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 889th CaedenHarper 🇨🇦 150 448 1ms 16 Aug 2025 894th ocefra 149 393 93ms 25 Dec 2024 895th jusaka 149 452 2ms 9 hours ago 896th jusaka 149 469 114ms 9 hours ago 897th KatieLG-Transpiler 🇬🇧 149 538 419ms 9 Jan 2026 898th Unknownuserfrommars 149 557 3,423ms 10 Dec 2024 899th jusaka 148 461 173ms 9 hours ago 900th jusaka 148 514 54ms 9 hours ago 901st KatieLG 🇬🇧 148 563 1,424ms 1 Nov 2024 902nd KatieLG 🇬🇧 147 538 473ms 1 Nov 2024 903rd HumanoidCPU 146 456 1ms 1 Nov 2024 903rd Shanethegamer 🇺🇸 146 456 2ms 1 Nov 2024 903rd CaedenHarper 🇨🇦 146 456 1ms 23 Jan 2025 903rd Maashau 146 456 2ms 12 Dec 2025 907th KatieLG 🇬🇧 146 466 157ms 30 Nov 2025 908th Maznek 144 364 9ms 8 Nov 2024 908th elisherer 🇮🇱 144 364 10ms 3 Nov 2025 910th HumanoidCPU 144 461 110ms 1 Nov 2024 910th KatieLG 🇬🇧 144 461 109ms 1 Nov 2024 910th Shanethegamer 🇺🇸 144 461 116ms 1 Nov 2024 910th MeWhenI 🇻🇦 144 461 117ms 2 Nov 2024 910th CaedenHarper 🇨🇦 144 461 122ms 24 Jan 2025 915th dokutan 143 349 135ms 27 Dec 2025 916th jusaka 143 510 5ms 9 hours ago 917th KatieLG-Transpiler 🇬🇧 143 528 379ms 9 Jan 2026 918th HumanoidCPU 141 446 72ms 1 Nov 2024 918th Shanethegamer 🇺🇸 141 446 72ms 1 Nov 2024 918th MeWhenI 🇻🇦 141 446 75ms 2 Nov 2024 918th CaedenHarper 🇨🇦 141 446 73ms 16 Aug 2025 922nd jusaka 140 450 80ms 9 hours ago 923rd KatieLG-Transpiler 🇬🇧 140 564 147ms 9 Jan 2026 924th KatieLG 🇬🇧 139 505 668ms 30 Nov 2025 925th HumanoidCPU 138 575 41ms 9 Mar 2025 926th emgordon154 138 602 2,180ms 12 Dec 2024 927th denkyuu1 137 346 33ms 6 Mar 2026 928th jusaka 137 486 200ms 9 hours ago 929th dokutan 136 273 3ms 13 Nov 2024 930th KatieLG 🇬🇧 136 465 73ms 30 Nov 2025 931st Kokusui 🇯🇵 135 434 4ms 19 Nov 2024 932nd Shanethegamer 🇺🇸 132 443 4ms 8 May 2025 933rd KatieLG-Transpiler 🇬🇧 132 505 113ms 9 Jan 2026 934th KatieLG-Transpiler 🇬🇧 132 515 139ms 9 Jan 2026 935th HumanoidCPU 131 445 4ms 1 Nov 2024 935th MeWhenI 🇻🇦 131 445 4ms 2 Nov 2024 935th fischfood 131 445 5ms 8 Nov 2024 935th CaedenHarper 🇨🇦 131 445 5ms 16 Aug 2025 939th GolfingSuccess 🇬🇷 131 452 9ms 1 Nov 2024 939th zbreit 🇺🇸 131 452 11ms 1 Nov 2024 939th Shanethegamer 🇺🇸 131 452 9ms 1 Nov 2024 939th madex 🇩🇪 131 452 10ms 1 Nov 2024 939th jtaxen 131 452 11ms 1 Nov 2024 939th Stockoh 🇫🇷 131 452 9ms 4 Nov 2024 939th evan18c 131 452 10ms 7 Nov 2024 939th roguh 🇬🇹 131 452 11ms 27 Nov 2024 939th mathisfun271 131 452 11ms 25 Jan 2025 939th moustave 131 452 10ms 9 Apr 2025 939th SectorCorruptor 131 452 10ms 24 Jul 2025 939th vgamula 🇺🇦 131 452 9ms 25 Jul 2025 939th Unknownuserfrommars 131 452 9ms 5 Aug 2025 939th JOrE20 131 452 10ms 6 Nov 2025 939th TheSecondComing123 131 452 10ms 25 Feb 2026 954th KatieLG-Transpiler 🇬🇧 131 533 656ms 9 Jan 2026 955th KasperKivimaeki 🇫🇮 130 457 10ms 15 Jul 2025 956th KatieLG 🇬🇧 130 487 1ms 30 Nov 2025 957th KatieLG 🇬🇧 130 515 1ms 8 Jan 2025 957th KatieLG-Transpiler 🇬🇧 130 515 1ms 9 Jan 2026 959th muser-logiccpu 🇺🇦 129 458 10ms 9 Aug 2025 959th netfri25 🇮🇱 129 458 12ms 21 Feb 2026 First Prev 881–960 of 1,172 Next Last