Kaprekar Numbers in all languages in bytes. 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 Bytes Time Submitted 876th CaedenHarper 🇨🇦 160 455 2ms 16 Aug 2025 882nd CaedenHarper 🇨🇦 160 659 26ms 16 Aug 2025 883rd KatieLG-Transpiler 🇬🇧 160 660 26ms 9 Jan 2026 884th dokutan 159 318 63ms 1 Nov 2024 885th KatieLG-Transpiler 🇬🇧 159 459 2ms 9 Jan 2026 886th jusaka 158 460 3ms 5 days ago 887th HumanoidCPU 158 515 3ms 1 Nov 2024 888th jusaka 158 1,259 5ms 5 days ago 889th jusaka 157 517 7ms 5 days ago 890th hiichbindermax 157 531 2,419ms 6 days ago 891st flekAI 156 466 2ms 2 days ago 892nd dokutan 155 349 135ms 27 Dec 2025 893rd dokutan 155 509 37ms 1 Nov 2024 893rd MeWhenI 🇻🇦 155 509 37ms 2 Nov 2024 893rd CaedenHarper 🇨🇦 155 509 37ms 22 Jan 2025 893rd JOrE20 155 509 38ms 2 Feb 2026 897th KatieLG 🇬🇧 155 510 36ms 1 Nov 2024 898th KatieLG-Transpiler 🇬🇧 155 511 36ms 9 Jan 2026 899th KatieLG-Transpiler 🇬🇧 155 531 110ms 9 Jan 2026 900th HumanoidCPU 154 454 70ms 1 Nov 2024 900th dokutan 154 454 69ms 1 Nov 2024 900th CaedenHarper 🇨🇦 154 454 58ms 16 Aug 2025 903rd snoozingnewt 🇨🇦 154 476 2,258ms 27 Sep 2025 904th denkyuu1 153 346 33ms 6 Mar 2026 905th JunkIce 153 449 10ms 21 Nov 2024 906th HumanoidCPU 152 448 148ms 1 Nov 2024 906th dokutan 152 448 144ms 1 Nov 2024 906th Shanethegamer 🇺🇸 152 448 139ms 1 Nov 2024 906th MeWhenI 🇻🇦 152 448 138ms 2 Nov 2024 906th CaedenHarper 🇨🇦 152 448 134ms 16 Aug 2025 911th HumanoidCPU 152 452 10ms 1 Nov 2024 911th GolfingSuccess 🇬🇷 152 452 9ms 1 Nov 2024 911th zbreit 🇺🇸 152 452 11ms 1 Nov 2024 911th Shanethegamer 🇺🇸 152 452 9ms 1 Nov 2024 911th madex 🇩🇪 152 452 10ms 1 Nov 2024 911th jtaxen 152 452 11ms 1 Nov 2024 911th Stockoh 🇫🇷 152 452 9ms 4 Nov 2024 911th evan18c 152 452 10ms 7 Nov 2024 911th roguh 🇬🇹 152 452 11ms 27 Nov 2024 911th mathisfun271 152 452 11ms 25 Jan 2025 911th moustave 152 452 10ms 9 Apr 2025 911th SectorCorruptor 152 452 10ms 24 Jul 2025 911th vgamula 🇺🇦 152 452 9ms 25 Jul 2025 911th Unknownuserfrommars 152 452 9ms 5 Aug 2025 911th JOrE20 152 452 10ms 6 Nov 2025 911th TheSecondComing123 152 452 10ms 25 Feb 2026 927th HumanoidCPU 150 448 1ms 1 Nov 2024 927th Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 927th koipondx86 150 448 1ms 1 Nov 2024 927th MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 927th CaedenHarper 🇨🇦 150 448 1ms 16 Aug 2025 932nd KasperKivimaeki 🇫🇮 150 457 10ms 15 Jul 2025 933rd muser-logiccpu 🇺🇦 150 458 10ms 9 Aug 2025 933rd netfri25 🇮🇱 150 458 12ms 21 Feb 2026 933rd rotemkm 150 458 10ms 21 Feb 2026 936th ocefra 149 393 128ms 25 Dec 2024 937th jusaka 149 452 2ms 5 days ago 938th jusaka 149 469 114ms 5 days ago 939th KatieLG-Transpiler 🇬🇧 149 538 419ms 9 Jan 2026 940th Unknownuserfrommars 149 557 3,423ms 10 Dec 2024 941st HumanoidCPU 148 456 1ms 1 Nov 2024 941st dokutan 148 456 1ms 1 Nov 2024 941st Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 941st CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 941st Maashau 148 456 2ms 12 Dec 2025 946th jusaka 148 461 173ms 5 days ago 947th jusaka 148 514 54ms 5 days ago 948th KatieLG 🇬🇧 148 563 1,424ms 1 Nov 2024 949th KatieLG 🇬🇧 147 466 157ms 30 Nov 2025 950th KatieLG 🇬🇧 147 538 473ms 1 Nov 2024 951st Shanethegamer 🇺🇸 146 450 815ms 16 Apr 2025 951st KatieLG 🇬🇧 146 450 1,034ms 20 Apr 2025 951st dokutan 146 450 855ms 23 Jul 2025 951st HumanoidCPU 146 450 799ms 18 Aug 2025 951st MeWhenI 🇻🇦 146 450 885ms 15 Sep 2025 956th jusaka 146 451 995ms 5 days ago 957th KatieLG-Transpiler 🇬🇧 146 522 374ms 9 Jan 2026 958th JunkIce 145 449 589ms 3 Dec 2024 959th HumanoidCPU 145 461 110ms 1 Nov 2024 959th KatieLG 🇬🇧 145 461 109ms 1 Nov 2024 First Prev 881–960 of 1,222 Next Last