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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 878th JOrE20 155 509 38ms 2 Feb 2026 882nd KatieLG 🇬🇧 155 510 36ms 1 Nov 2024 883rd KatieLG-Transpiler 🇬🇧 155 511 36ms 9 Jan 2026 884th KatieLG-Transpiler 🇬🇧 155 531 115ms 9 Jan 2026 885th HumanoidCPU 154 454 71ms 1 Nov 2024 885th dokutan 154 454 61ms 1 Nov 2024 885th CaedenHarper 🇨🇦 154 454 72ms 16 Aug 2025 888th snoozingnewt 🇨🇦 154 476 2,386ms 27 Sep 2025 889th denkyuu1 153 346 35ms 6 Mar 2026 890th dokutan 153 349 127ms 27 Dec 2025 891st JunkIce 153 449 10ms 21 Nov 2024 892nd HumanoidCPU 152 448 148ms 1 Nov 2024 892nd dokutan 152 448 144ms 1 Nov 2024 892nd Shanethegamer 🇺🇸 152 448 139ms 1 Nov 2024 892nd MeWhenI 🇻🇦 152 448 138ms 2 Nov 2024 892nd CaedenHarper 🇨🇦 152 448 134ms 16 Aug 2025 897th HumanoidCPU 152 452 10ms 1 Nov 2024 897th GolfingSuccess 🇬🇷 152 452 9ms 1 Nov 2024 897th zbreit 🇺🇸 152 452 11ms 1 Nov 2024 897th Shanethegamer 🇺🇸 152 452 9ms 1 Nov 2024 897th madex 🇩🇪 152 452 10ms 1 Nov 2024 897th jtaxen 152 452 11ms 1 Nov 2024 897th Stockoh 🇫🇷 152 452 9ms 4 Nov 2024 897th evan18c 152 452 10ms 7 Nov 2024 897th roguh 🇬🇹 152 452 11ms 27 Nov 2024 897th mathisfun271 152 452 11ms 25 Jan 2025 897th moustave 152 452 10ms 9 Apr 2025 897th SectorCorruptor 152 452 10ms 24 Jul 2025 897th vgamula 🇺🇦 152 452 9ms 25 Jul 2025 897th Unknownuserfrommars 152 452 9ms 5 Aug 2025 897th JOrE20 152 452 10ms 6 Nov 2025 897th TheSecondComing123 152 452 10ms 25 Feb 2026 913th HumanoidCPU 150 448 1ms 1 Nov 2024 913th Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 913th koipondx86 150 448 1ms 1 Nov 2024 913th MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 913th CaedenHarper 🇨🇦 150 448 1ms 16 Aug 2025 918th KasperKivimaeki 🇫🇮 150 457 10ms 15 Jul 2025 919th muser-logiccpu 🇺🇦 150 458 10ms 9 Aug 2025 919th netfri25 🇮🇱 150 458 12ms 21 Feb 2026 919th rotemkm 150 458 10ms 21 Feb 2026 922nd jusaka 149 452 2ms 16 days ago 923rd jusaka 149 469 79ms 16 days ago 924th KatieLG-Transpiler 🇬🇧 149 538 602ms 9 Jan 2026 925th Unknownuserfrommars 149 557 3,390ms 10 Dec 2024 926th HumanoidCPU 148 456 1ms 1 Nov 2024 926th dokutan 148 456 1ms 1 Nov 2024 926th Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 926th CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 926th Maashau 148 456 2ms 12 Dec 2025 931st jusaka 148 461 173ms 16 days ago 932nd jusaka 148 514 44ms 16 days ago 933rd KatieLG 🇬🇧 148 563 1,349ms 1 Nov 2024 934th KatieLG 🇬🇧 147 538 473ms 1 Nov 2024 935th Shanethegamer 🇺🇸 146 450 839ms 16 Apr 2025 935th KatieLG 🇬🇧 146 450 950ms 20 Apr 2025 935th dokutan 146 450 806ms 23 Jul 2025 935th HumanoidCPU 146 450 796ms 18 Aug 2025 935th MeWhenI 🇻🇦 146 450 847ms 15 Sep 2025 940th KatieLG 🇬🇧 146 466 157ms 30 Nov 2025 941st KatieLG-Transpiler 🇬🇧 146 522 400ms 9 Jan 2026 942nd JunkIce 145 449 589ms 3 Dec 2024 943rd jusaka 145 451 789ms 16 days ago 944th Maznek 144 364 11ms 8 Nov 2024 944th elisherer 🇮🇱 144 364 19ms 3 Nov 2025 946th ocefra 144 393 97ms 25 Dec 2024 947th HumanoidCPU 144 452 380ms 1 Nov 2024 947th Shanethegamer 🇺🇸 144 452 368ms 1 Nov 2024 947th JOrE20 144 452 414ms 2 Feb 2026 950th HumanoidCPU 144 461 109ms 1 Nov 2024 950th KatieLG 🇬🇧 144 461 113ms 1 Nov 2024 950th Shanethegamer 🇺🇸 144 461 107ms 1 Nov 2024 950th MeWhenI 🇻🇦 144 461 107ms 2 Nov 2024 950th CaedenHarper 🇨🇦 144 461 118ms 24 Jan 2025 955th jusaka 144 510 5ms 16 days ago 956th KatieLG-Transpiler 🇬🇧 143 528 390ms 9 Jan 2026 957th HumanoidCPU 141 446 72ms 1 Nov 2024 957th Shanethegamer 🇺🇸 141 446 72ms 1 Nov 2024 957th MeWhenI 🇻🇦 141 446 75ms 2 Nov 2024 957th snoozingnewt 🇨🇦 141 446 73ms 3 Nov 2024 First Prev 881–960 of 1,226 Next Last