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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 800th Jacob385 170 470 454ms 27 Oct 2025 800th HumanoidCPU 170 470 710ms 8 Nov 2025 803rd HumanoidCPU 169 449 121ms 1 Nov 2024 803rd dokutan 169 449 124ms 1 Nov 2024 803rd KatieLG 🇬🇧 169 449 123ms 1 Nov 2024 803rd Shanethegamer 🇺🇸 169 449 133ms 1 Nov 2024 803rd MeWhenI 🇻🇦 169 449 122ms 2 Nov 2024 803rd CaedenHarper 🇨🇦 169 449 131ms 16 Aug 2025 809th Shanethegamer 🇺🇸 167 471 467ms 1 Nov 2024 810th KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 810th MeWhenI 🇻🇦 167 472 486ms 2 Nov 2024 810th CaedenHarper 🇨🇦 167 472 448ms 24 Jan 2025 813th HumanoidCPU 166 441 3ms 1 Nov 2024 813th dokutan 166 441 3ms 1 Nov 2024 813th KatieLG 🇬🇧 166 441 3ms 1 Nov 2024 813th Shanethegamer 🇺🇸 166 441 3ms 1 Nov 2024 813th MeWhenI 🇻🇦 166 441 3ms 2 Nov 2024 813th CaedenHarper 🇨🇦 166 441 3ms 31 Jan 2025 813th KatieLG-Transpiler 🇬🇧 166 441 3ms 9 Jan 2026 820th HumanoidCPU 166 473 464ms 1 Nov 2024 821st dokutan 165 445 2,150ms 1 Nov 2024 821st MeWhenI 🇻🇦 165 445 2,082ms 2 Nov 2024 821st CaedenHarper 🇨🇦 165 445 2,346ms 1 Feb 2025 824th HumanoidCPU 165 458 411ms 1 Nov 2024 824th Shanethegamer 🇺🇸 165 458 379ms 1 Nov 2024 824th dokutan 165 458 397ms 1 Nov 2024 824th mwarvik 🇳🇴 165 458 427ms 5 Jan 2026 828th HumanoidCPU 162 452 2,319ms 1 Nov 2024 828th Shanethegamer 🇺🇸 162 452 2,190ms 1 Nov 2024 830th HumanoidCPU 160 455 2ms 1 Nov 2024 830th dokutan 160 455 2ms 1 Nov 2024 830th KatieLG 🇬🇧 160 455 2ms 1 Nov 2024 830th Shanethegamer 🇺🇸 160 455 2ms 1 Nov 2024 830th MeWhenI 🇻🇦 160 455 2ms 2 Nov 2024 830th CaedenHarper 🇨🇦 160 455 2ms 16 Aug 2025 836th HumanoidCPU 160 657 30ms 4 Nov 2025 837th dokutan 159 318 63ms 1 Nov 2024 838th CaedenHarper 🇨🇦 159 659 26ms 16 Aug 2025 839th KatieLG-Transpiler 🇬🇧 159 660 26ms 9 Jan 2026 840th KatieLG-Transpiler 🇬🇧 158 459 2ms 9 Jan 2026 841st hiichbindermax 156 531 2,180ms 19 days ago 842nd dokutan 155 509 37ms 1 Nov 2024 842nd MeWhenI 🇻🇦 155 509 37ms 2 Nov 2024 842nd CaedenHarper 🇨🇦 155 509 37ms 22 Jan 2025 842nd JOrE20 155 509 38ms 2 Feb 2026 846th KatieLG 🇬🇧 155 510 36ms 1 Nov 2024 847th KatieLG-Transpiler 🇬🇧 155 531 115ms 9 Jan 2026 848th HumanoidCPU 154 454 71ms 1 Nov 2024 848th dokutan 154 454 61ms 1 Nov 2024 848th CaedenHarper 🇨🇦 154 454 72ms 16 Aug 2025 851st snoozingnewt 🇨🇦 154 476 2,386ms 27 Sep 2025 852nd KatieLG-Transpiler 🇬🇧 154 511 36ms 9 Jan 2026 853rd denkyuu1 153 346 35ms 6 Mar 2026 854th dokutan 153 349 127ms 27 Dec 2025 855th JunkIce 153 449 10ms 21 Nov 2024 856th HumanoidCPU 152 448 148ms 1 Nov 2024 856th dokutan 152 448 144ms 1 Nov 2024 856th Shanethegamer 🇺🇸 152 448 139ms 1 Nov 2024 856th MeWhenI 🇻🇦 152 448 138ms 2 Nov 2024 856th CaedenHarper 🇨🇦 152 448 134ms 16 Aug 2025 861st HumanoidCPU 152 452 10ms 1 Nov 2024 861st GolfingSuccess 🇬🇷 152 452 9ms 1 Nov 2024 861st zbreit 🇺🇸 152 452 11ms 1 Nov 2024 861st Shanethegamer 🇺🇸 152 452 9ms 1 Nov 2024 861st madex 🇩🇪 152 452 10ms 1 Nov 2024 861st jtaxen 152 452 11ms 1 Nov 2024 861st Stockoh 🇫🇷 152 452 9ms 4 Nov 2024 861st evan18c 152 452 10ms 7 Nov 2024 861st roguh 🇬🇹 152 452 11ms 27 Nov 2024 861st mathisfun271 152 452 11ms 25 Jan 2025 861st moustave 152 452 10ms 9 Apr 2025 861st SectorCorruptor 152 452 10ms 24 Jul 2025 861st vgamula 🇺🇦 152 452 9ms 25 Jul 2025 861st Unknownuserfrommars 152 452 9ms 5 Aug 2025 861st JOrE20 152 452 10ms 6 Nov 2025 861st TheSecondComing123 152 452 10ms 25 Feb 2026 877th HumanoidCPU 150 448 1ms 1 Nov 2024 877th Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 877th koipondx86 150 448 1ms 1 Nov 2024 877th MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 877th CaedenHarper 🇨🇦 150 448 1ms 16 Aug 2025 882nd KasperKivimaeki 🇫🇮 150 457 10ms 15 Jul 2025 883rd muser-logiccpu 🇺🇦 150 458 10ms 9 Aug 2025 883rd netfri25 🇮🇱 150 458 12ms 21 Feb 2026 883rd rotemkm 150 458 10ms 21 Feb 2026 886th KatieLG-Transpiler 🇬🇧 149 538 559ms 9 Jan 2026 887th Unknownuserfrommars 149 557 3,390ms 10 Dec 2024 888th HumanoidCPU 148 456 1ms 1 Nov 2024 888th dokutan 148 456 1ms 1 Nov 2024 888th Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 888th CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 888th Maashau 148 456 2ms 12 Dec 2025 893rd KatieLG 🇬🇧 147 563 1,349ms 1 Nov 2024 894th Shanethegamer 🇺🇸 146 450 678ms 16 Apr 2025 894th KatieLG 🇬🇧 146 450 649ms 20 Apr 2025 894th dokutan 146 450 677ms 23 Jul 2025 894th HumanoidCPU 146 450 636ms 18 Aug 2025 894th MeWhenI 🇻🇦 146 450 643ms 15 Sep 2025 899th KatieLG 🇬🇧 146 466 157ms 30 Nov 2025 900th KatieLG 🇬🇧 146 538 473ms 1 Nov 2024 First Prev 801–900 of 1,142 Next Last