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 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 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 880th Shanethegamer 🇺🇸 141 446 73ms 1 Nov 2024 880th MeWhenI 🇻🇦 141 446 77ms 2 Nov 2024 880th snoozingnewt 🇨🇦 141 446 77ms 3 Nov 2024 880th CaedenHarper 🇨🇦 141 446 71ms 16 Aug 2025 885th KatieLG-Transpiler 🇬🇧 140 564 148ms 9 Jan 2026 886th dokutan 139 452 76ms 1 Nov 2024 887th KatieLG 🇬🇧 138 505 640ms 30 Nov 2025 888th emgordon154 138 602 2,156ms 12 Dec 2024 889th HumanoidCPU 137 575 41ms 9 Mar 2025 890th KatieLG 🇬🇧 135 465 78ms 30 Nov 2025 891st dokutan 134 473 1ms 1 Nov 2024 892nd KatieLG 🇬🇧 133 475 1ms 1 Nov 2024 893rd dokutan 133 591 38ms 1 Nov 2024 894th KatieLG-Transpiler 🇬🇧 132 505 120ms 9 Jan 2026 895th KatieLG-Transpiler 🇬🇧 132 515 94ms 9 Jan 2026 896th KatieLG-Transpiler 🇬🇧 132 519 9ms 9 Jan 2026 897th KatieLG 🇬🇧 131 443 2ms 30 Nov 2025 898th HumanoidCPU 131 444 2ms 1 Nov 2024 898th Shanethegamer 🇺🇸 131 444 3ms 1 Nov 2024 898th dokutan 131 444 2ms 1 Nov 2024 898th MeWhenI 🇻🇦 131 444 2ms 2 Nov 2024 898th CaedenHarper 🇨🇦 131 444 2ms 16 Aug 2025 903rd dokutan 131 483 1ms 21 Jun 2025 904th KatieLG-Transpiler 🇬🇧 131 512 4ms 9 Jan 2026 905th KatieLG-Transpiler 🇬🇧 131 533 650ms 9 Jan 2026 906th KatieLG-Transpiler 🇬🇧 130 446 3ms 9 Jan 2026 907th KatieLG 🇬🇧 130 487 1ms 30 Nov 2025 908th KatieLG 🇬🇧 130 515 2ms 8 Jan 2025 908th KatieLG-Transpiler 🇬🇧 130 515 1ms 9 Jan 2026 910th KatieLG-Transpiler 🇬🇧 128 528 1ms 9 Jan 2026 911th sciencejiho 127 532 2ms 12 Feb 2025 912th KatieLG-Transpiler 🇬🇧 125 519 380ms 9 Jan 2026 913th HumanoidCPU 123 446 1,278ms 1 Nov 2024 913th Shanethegamer 🇺🇸 123 446 1,285ms 1 Nov 2024 913th dokutan 123 446 1,302ms 1 Nov 2024 913th CaedenHarper 🇨🇦 123 446 1,311ms 24 Jan 2025 917th MeWhenI 🇻🇦 123 515 1ms 2 Nov 2024 917th CaedenHarper 🇨🇦 123 515 1ms 12 Nov 2025 917th Shanethegamer 🇺🇸 123 515 2ms 12 Nov 2025 917th HumanoidCPU 123 515 2ms 12 Nov 2025 921st KatieLG-Transpiler 🇬🇧 122 517 65ms 9 Jan 2026 922nd HumanoidCPU 122 518 1ms 1 Nov 2024 922nd Shanethegamer 🇺🇸 122 518 1ms 1 Nov 2024 922nd MeWhenI 🇻🇦 122 518 2ms 2 Nov 2024 922nd CaedenHarper 🇨🇦 122 518 1ms 22 Jan 2025 926th KatieLG-Transpiler 🇬🇧 122 519 1ms 9 Jan 2026 927th KatieLG-Transpiler 🇬🇧 121 525 1ms 9 Jan 2026 928th dokutan 120 439 36ms 21 Apr 2025 928th olleicua 🇺🇸 120 439 35ms 12 Jun 2025 930th HumanoidCPU 119 445 34ms 1 Nov 2024 930th Shanethegamer 🇺🇸 119 445 33ms 1 Nov 2024 930th CaedenHarper 🇨🇦 119 445 37ms 16 Aug 2025 933rd Shanethegamer 🇺🇸 119 453 123ms 1 Nov 2024 933rd KatieLG 🇬🇧 119 453 113ms 1 Nov 2024 933rd MeWhenI 🇻🇦 119 453 119ms 2 Nov 2024 933rd CaedenHarper 🇨🇦 119 453 122ms 24 Jan 2025 937th KatieLG 🇬🇧 119 461 1,221ms 30 Nov 2025 938th HumanoidCPU 118 446 10ms 1 Nov 2024 938th dokutan 118 446 9ms 1 Nov 2024 938th MeWhenI 🇻🇦 118 446 9ms 2 Nov 2024 938th zakariamouhid 118 446 9ms 17 Nov 2024 938th Salutations45 118 446 9ms 22 Nov 2024 938th gigaprofisi 🇺🇸 118 446 8ms 20 Jun 2025 938th didion0 🇺🇸 118 446 10ms 26 Aug 2025 938th olleicua 🇺🇸 118 446 9ms 10 Sep 2025 946th KatieLG-Transpiler 🇬🇧 118 457 121ms 9 Jan 2026 947th iczelia 🇩🇪 117 447 9ms 24 Oct 2025 948th HumanoidCPU 117 448 156ms 1 Nov 2024 948th dokutan 117 448 160ms 1 Nov 2024 948th MeWhenI 🇻🇦 117 448 153ms 2 Nov 2024 948th MarcMush 🇫🇷 117 448 147ms 19 Nov 2024 948th CaedenHarper 🇨🇦 117 448 162ms 1 Feb 2025 948th Quadruplay 117 448 9ms 12 Jul 2025 954th KatieLG-Transpiler 🇬🇧 116 455 38ms 9 Jan 2026 955th KatieLG-Transpiler 🇬🇧 115 455 9ms 9 Jan 2026 956th KatieLG 🇬🇧 115 461 33ms 30 Nov 2025 957th KatieLG 🇬🇧 112 467 170ms 30 Nov 2025 958th HumanoidCPU 111 453 47ms 1 Nov 2024 959th MeWhenI 🇻🇦 111 454 47ms 2 Nov 2024 960th CaedenHarper 🇨🇦 109 461 47ms 22 Jan 2025 First Prev 881–960 of 1,096 Next Last
