Kaprekar Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Morse Decoder Morse Encoder 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Morse Decoder Morse Encoder 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 301st kmathis22 653 125 14 days ago 302nd DialFrost 🇸🇬 653 206 10 Jan 2025 303rd lifthrasiir 🇰🇷 652 83 14 Nov 2024 304th Andrey135296 645 118 8 Nov 2024 305th DialFrost 🇸🇬 645 208 7 Nov 2024 306th stefangimmillaro 639 119 7 Nov 2024 307th Yax42 🇫🇷 638 128 87 mins ago 308th CaedenHarper 🇨🇦 635 102 10 Aug 2025 309th bac0id 634 120 9 Jan 2025 310th MeWhenI 🇻🇦 633 108 6 Nov 2024 311th KatieLG 🇬🇧 633 439 1 Nov 2024 311th dokutan 633 439 1 Nov 2024 311th MeWhenI 🇻🇦 633 439 2 Nov 2024 311th Shanethegamer 🇺🇸 633 439 11 May 2025 315th Carlettos1 630 130 30 Nov 2024 316th targrik 629 86 24 Feb 2025 316th CaedenHarper 🇨🇦 629 86 2 Sep 2025 318th MeWhenI 🇻🇦 623 131 2 Nov 2024 319th CornerMercury 🇬🇧 621 110 4 days ago 320th blaztoma 🇱🇹 617 109 11 days ago 321st Shanethegamer 🇺🇸 614 133 16 days ago 321st Schmitt-Very-Cool 614 133 10 days ago 323rd luuumine 🇫🇷 612 110 113 mins ago 324th MeWhenI 🇻🇦 611 106 6 Nov 2024 325th BREMAUCY 🇫🇷 609 442 24 Jan 2025 326th targrik 607 110 20 Aug 2025 327th ahmetdemirag 🇨🇾 605 113 12 Nov 2024 328th zbreit 🇺🇸 605 138 1 Nov 2024 328th rschwa6308 🇺🇸 605 138 9 Nov 2024 330th HumanoidCPU 605 445 12 Dec 2024 330th dokutan 605 445 12 Dec 2024 330th Yewzir 🇧🇪 605 445 18 Dec 2024 330th KatieLG 🇬🇧 605 445 3 Jan 2025 330th Shanethegamer 🇺🇸 605 445 12 Jan 2025 330th CaedenHarper 🇨🇦 605 445 16 Aug 2025 336th jared-hughes 601 90 23 Dec 2024 337th bac0id 597 140 10 Jan 2025 338th KatieLG 🇬🇧 595 338 1 Nov 2024 339th error256 594 115 1 Nov 2024 340th snoozingnewt 🇺🇸 592 141 4 days ago 341st Yewzir 🇧🇪 590 129 22 Dec 2024 342nd KrausRaus 🇺🇸 588 92 2 Nov 2024 343rd voytxt 🇨🇿 582 93 1 Nov 2024 344th snoozingnewt 🇺🇸 579 141 15 days ago 345th AlephSquirrel 577 216 1 Nov 2024 346th Yax42 🇫🇷 575 117 57 mins ago 347th error256 572 117 1 Nov 2024 348th YAJUE114514 572 178 30 Jul 2025 349th elgan65536 567 144 2 Nov 2024 350th h3ra993huskp 🇯🇵 559 146 8 Dec 2024 351st SirBogman 🇺🇸 559 156 22 Jul 2025 352nd Natanaelel 🇸🇪 558 97 1 Nov 2024 352nd madeforlosers 558 97 26 Aug 2025 354th duckyluuk 🇳🇱 552 98 3 Nov 2024 354th LukeBridges 🇬🇧 552 98 27 Nov 2024 356th bac0id 552 122 10 Jan 2025 357th CaedenHarper 🇨🇦 550 506 16 Aug 2025 358th elgan65536 547 125 9 Nov 2024 359th fourth-bit 546 153 5 Nov 2024 360th ovs-code 🇩🇪 545 152 12 Nov 2024 361st lifthrasiir 🇰🇷 544 68 29 Nov 2024 362nd Jonatan6 🇩🇰 543 124 3 Nov 2024 363rd MeWhenI 🇻🇦 539 245 9 Feb 2025 364th retrohun 538 299 2 Nov 2024 365th saito-ta 🇯🇵 537 646 1 Nov 2024 366th sidok 535 98 13 Nov 2024 367th msbranicky 535 137 11 Jan 2025 368th aksyristos 531 104 1 Nov 2024 369th yoshykai 530 154 27 Mar 2025 370th emplv 🇱🇻 525 103 4 Jul 2025 371st albanian-laundromat 514 133 4 Aug 2025 372nd SirBogman 🇺🇸 512 82 8 Jul 2025 373rd aksyristos 512 163 1 Nov 2024 374th UnderKoen 🇳🇱 509 323 11 Nov 2024 375th Shanethegamer 🇺🇸 506 107 1 Nov 2024 First Prev 301–375 of 936 Next Last