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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 ><> 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 ALGOL 68 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 ><> 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 ALGOL 68 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 800th dokutan 152 448 99ms 1 Nov 2024 800th Shanethegamer 🇺🇸 152 448 100ms 1 Nov 2024 800th MeWhenI 🇻🇦 152 448 98ms 2 Nov 2024 800th CaedenHarper 🇨🇦 152 448 93ms 16 Aug 2025 805th HumanoidCPU 152 452 11ms 1 Nov 2024 805th GolfingSuccess 🇬🇷 152 452 10ms 1 Nov 2024 805th zbreit 🇺🇸 152 452 10ms 1 Nov 2024 805th Shanethegamer 🇺🇸 152 452 11ms 1 Nov 2024 805th madex 🇩🇪 152 452 11ms 1 Nov 2024 805th jtaxen 152 452 10ms 1 Nov 2024 805th Stockoh 🇫🇷 152 452 10ms 4 Nov 2024 805th evan18c 152 452 10ms 7 Nov 2024 805th roguh 🇬🇹 152 452 9ms 27 Nov 2024 805th mathisfun271 152 452 10ms 25 Jan 2025 805th moustave 152 452 10ms 9 Apr 2025 805th SectorCorruptor 152 452 10ms 24 Jul 2025 805th vgamula 🇺🇦 152 452 11ms 25 Jul 2025 805th Unknownuserfrommars 152 452 10ms 5 Aug 2025 805th JOrE20 🇺🇸 152 452 10ms 6 Nov 2025 820th Shanethegamer 🇺🇸 151 443 4ms 8 May 2025 821st Shanethegamer 🇺🇸 151 450 798ms 16 Apr 2025 821st KatieLG 🇬🇧 151 450 841ms 20 Apr 2025 821st dokutan 151 450 877ms 23 Jul 2025 821st HumanoidCPU 151 450 820ms 18 Aug 2025 821st MeWhenI 🇻🇦 151 450 839ms 15 Sep 2025 826th HumanoidCPU 150 445 4ms 1 Nov 2024 826th dokutan 150 445 4ms 1 Nov 2024 826th MeWhenI 🇻🇦 150 445 4ms 2 Nov 2024 826th fischfood 150 445 4ms 8 Nov 2024 826th CaedenHarper 🇨🇦 150 445 4ms 16 Aug 2025 831st HumanoidCPU 150 448 1ms 1 Nov 2024 831st Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 831st koipondx86 150 448 2ms 1 Nov 2024 831st MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 831st CaedenHarper 🇨🇦 150 448 2ms 16 Aug 2025 836th KasperKivimaeki 🇫🇮 150 457 10ms 15 Jul 2025 837th muser-logiccpu 🇺🇦 150 458 9ms 9 Aug 2025 838th KatieLG-Transpiler 🇬🇧 150 538 419ms 9 Jan 2026 839th Unknownuserfrommars 150 557 2,962ms 10 Dec 2024 840th KatieLG 🇬🇧 149 538 465ms 1 Nov 2024 841st KatieLG 🇬🇧 149 563 980ms 1 Nov 2024 842nd HumanoidCPU 148 456 1ms 1 Nov 2024 842nd dokutan 148 456 1ms 1 Nov 2024 842nd Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 842nd CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 842nd Maashau 148 456 2ms 12 Dec 2025 847th Maznek 146 364 9ms 8 Nov 2024 847th elisherer 🇮🇱 146 364 10ms 3 Nov 2025 849th HumanoidCPU 146 461 114ms 1 Nov 2024 849th KatieLG 🇬🇧 146 461 103ms 1 Nov 2024 849th Shanethegamer 🇺🇸 146 461 124ms 1 Nov 2024 849th MeWhenI 🇻🇦 146 461 117ms 2 Nov 2024 849th CaedenHarper 🇨🇦 146 461 104ms 24 Jan 2025 854th KatieLG 🇬🇧 146 466 118ms 30 Nov 2025 855th JunkIce 145 449 640ms 3 Dec 2024 856th KatieLG-Transpiler 🇬🇧 145 528 362ms 9 Jan 2026 857th HumanoidCPU 144 452 348ms 1 Nov 2024 857th Shanethegamer 🇺🇸 144 452 367ms 1 Nov 2024 857th JOrE20 🇺🇸 144 452 423ms 10 days ago 860th KatieLG 🇬🇧 143 469 4ms 30 Nov 2025 861st KatieLG-Transpiler 🇬🇧 142 564 153ms 9 Jan 2026 862nd HumanoidCPU 141 446 72ms 1 Nov 2024 862nd Shanethegamer 🇺🇸 141 446 73ms 1 Nov 2024 862nd MeWhenI 🇻🇦 141 446 79ms 2 Nov 2024 862nd snoozingnewt 🇨🇦 141 446 77ms 3 Nov 2024 862nd CaedenHarper 🇨🇦 141 446 71ms 16 Aug 2025 867th dokutan 139 452 76ms 1 Nov 2024 868th emgordon154 139 602 1,729ms 12 Dec 2024 869th KatieLG 🇬🇧 138 505 625ms 30 Nov 2025 870th HumanoidCPU 137 575 41ms 9 Mar 2025 871st KatieLG 🇬🇧 135 465 110ms 30 Nov 2025 872nd dokutan 134 473 2ms 1 Nov 2024 873rd KatieLG 🇬🇧 133 475 1ms 1 Nov 2024 874th dokutan 133 483 1ms 21 Jun 2025 875th KatieLG-Transpiler 🇬🇧 133 505 112ms 9 Jan 2026 876th dokutan 133 591 38ms 1 Nov 2024 877th KatieLG 🇬🇧 132 487 1ms 30 Nov 2025 878th KatieLG-Transpiler 🇬🇧 132 515 94ms 9 Jan 2026 879th KatieLG-Transpiler 🇬🇧 132 519 9ms 9 Jan 2026 880th KatieLG 🇬🇧 131 443 2ms 30 Nov 2025 First Prev 801–880 of 1,078 Next Last