Kaprekar Numbers in all languages in chars. 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 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 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 Chars Time Submitted 798th dokutan 185 519 108ms 1 Nov 2024 798th MeWhenI 🇻🇦 185 519 112ms 2 Nov 2024 798th CaedenHarper 🇨🇦 185 519 107ms 25 Jan 2025 798th KatieLG-Transpiler 🇬🇧 185 519 118ms 9 Jan 2026 805th KatieLG 🇬🇧 184 258 35ms 7 Jan 2026 806th jusaka 184 521 171ms 13 days ago 807th Shanethegamer 🇺🇸 181 447 4ms 1 Nov 2024 807th CaedenHarper 🇨🇦 181 447 4ms 31 Jan 2025 809th KatieLG 🇬🇧 181 448 4ms 1 Nov 2024 809th MeWhenI 🇻🇦 181 448 4ms 2 Nov 2024 809th KatieLG-Transpiler 🇬🇧 181 448 3ms 9 Jan 2026 812th HumanoidCPU 179 460 119ms 1 Nov 2024 812th MeWhenI 🇻🇦 179 460 119ms 2 Nov 2024 812th klixel 🇨🇦 179 460 118ms 15 Nov 2024 812th Shanethegamer 🇺🇸 179 460 113ms 20 Feb 2025 812th CaedenHarper 🇨🇦 179 460 114ms 16 Aug 2025 817th Jacob385 176 873 5ms 1 Nov 2024 818th jusaka 176 983 9ms 13 days ago 819th Shanethegamer 🇺🇸 175 475 57ms 1 Nov 2024 819th CaedenHarper 🇨🇦 175 475 53ms 23 Jan 2025 819th HumanoidCPU 175 475 53ms 28 Nov 2025 822nd Blendi-Goose 174 387 1ms 7 Oct 2025 823rd JOrE20 174 436 42ms 2 Feb 2026 824th MeWhenI 🇻🇦 173 455 39ms 2 Nov 2024 825th KatieLG 🇬🇧 173 513 217ms 1 Nov 2024 825th KatieLG-Transpiler 🇬🇧 173 513 184ms 9 Jan 2026 827th jusaka 173 711 6ms 7 days ago 828th HumanoidCPU 172 441 40ms 1 Nov 2024 828th KatieLG 🇬🇧 172 441 40ms 1 Nov 2024 828th Shanethegamer 🇺🇸 172 441 41ms 1 Nov 2024 828th MeWhenI 🇻🇦 172 441 40ms 2 Nov 2024 828th CaedenHarper 🇨🇦 172 441 40ms 25 Jan 2025 833rd KatieLG-Transpiler 🇬🇧 171 445 42ms 9 Jan 2026 834th jusaka 171 518 7ms 13 days ago 835th jusaka 171 1,195 12ms 13 days ago 836th dokutan 170 392 120ms 29 Dec 2025 837th HumanoidCPU 170 470 522ms 8 Nov 2025 838th jusaka 170 488 1,384ms 13 days ago 839th HumanoidCPU 169 449 120ms 1 Nov 2024 839th KatieLG 🇬🇧 169 449 126ms 1 Nov 2024 839th Shanethegamer 🇺🇸 169 449 116ms 1 Nov 2024 839th MeWhenI 🇻🇦 169 449 125ms 2 Nov 2024 839th CaedenHarper 🇨🇦 169 449 124ms 16 Aug 2025 844th brimstonetrader 168 353 717ms 5 Nov 2024 845th CLOStrophobic 🇮🇹 167 356 4,428ms 9 Feb 2025 846th Shanethegamer 🇺🇸 167 471 467ms 1 Nov 2024 847th KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 847th MeWhenI 🇻🇦 167 472 486ms 2 Nov 2024 847th CaedenHarper 🇨🇦 167 472 448ms 24 Jan 2025 850th HumanoidCPU 167 473 464ms 1 Nov 2024 851st jusaka 167 479 491ms 13 days ago 852nd HumanoidCPU 166 441 3ms 1 Nov 2024 852nd KatieLG 🇬🇧 166 441 3ms 1 Nov 2024 852nd Shanethegamer 🇺🇸 166 441 3ms 1 Nov 2024 852nd MeWhenI 🇻🇦 166 441 3ms 2 Nov 2024 852nd CaedenHarper 🇨🇦 166 441 3ms 31 Jan 2025 852nd KatieLG-Transpiler 🇬🇧 166 441 3ms 9 Jan 2026 858th MeWhenI 🇻🇦 165 445 2,435ms 2 Nov 2024 858th CaedenHarper 🇨🇦 165 445 2,288ms 1 Feb 2025 860th HumanoidCPU 165 458 411ms 1 Nov 2024 860th Shanethegamer 🇺🇸 165 458 379ms 1 Nov 2024 860th dokutan 165 458 397ms 1 Nov 2024 860th mwarvik 🇳🇴 165 458 427ms 5 Jan 2026 864th jusaka 165 459 401ms 13 days ago 865th jusaka 164 520 56ms 13 days ago 866th jusaka 163 485 227ms 13 days ago 867th HumanoidCPU 162 452 2,546ms 1 Nov 2024 867th Shanethegamer 🇺🇸 162 452 2,628ms 1 Nov 2024 869th jusaka 162 453 2,502ms 13 days ago 870th HumanoidCPU 160 455 2ms 1 Nov 2024 870th KatieLG 🇬🇧 160 455 2ms 1 Nov 2024 870th Shanethegamer 🇺🇸 160 455 2ms 1 Nov 2024 870th MeWhenI 🇻🇦 160 455 2ms 2 Nov 2024 870th CaedenHarper 🇨🇦 160 455 2ms 16 Aug 2025 875th HumanoidCPU 160 657 30ms 4 Nov 2025 876th CaedenHarper 🇨🇦 160 659 26ms 16 Aug 2025 877th KatieLG-Transpiler 🇬🇧 159 459 2ms 9 Jan 2026 878th KatieLG-Transpiler 🇬🇧 159 660 26ms 9 Jan 2026 879th jusaka 158 460 3ms 13 days ago 880th KatieLG-Transpiler 🇬🇧 158 972 5ms 9 Jan 2026 First Prev 801–880 of 1,209 Next Last