Niven Numbers in all languages in chars. 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 585th ovs-code 🇩🇪 928 43 4 Oct 2023 585th Yewzir 🇧🇪 928 43 15 Nov 2023 585th edsrzf 🇳🇿 928 43 15 Sep 2024 585th targrik 928 43 13 Mar 2025 585th fuzzylojik-golf 🇺🇸 928 43 29 May 2025 606th caasinehc 928 44 16 Oct 2018 606th xweronika 928 44 23 Oct 2018 606th skps2010 928 44 3 Jan 2019 606th alasdair-greenland 928 44 6 Mar 2020 606th taklam 928 44 20 May 2020 606th daisy-lau 928 44 29 May 2020 606th Pixels4Breakfast 928 44 7 Mar 2022 606th niklv 🇷🇺 928 44 29 Jul 2022 606th 5quiwyrm 928 44 9 Sep 2022 615th Frowny 927 27 30 Jun 2020 616th Lydxn 🇨🇦 927 43 18 Aug 2021 616th JayXon 🇺🇸 927 43 18 Aug 2021 618th HPWiz 🇳🇿 926 39 9 Mar 2022 619th Attero 🇸🇪 926 104 23 Apr 2020 619th janbehrens 🇩🇪 926 104 24 Aug 2020 619th frederikb 926 104 7 Sep 2020 619th Irratix 🇳🇱 926 104 3 Jan 2021 619th aliakseikalosha 926 104 2 Apr 2021 619th chartung17 926 104 5 Dec 2021 619th Luca2812 926 104 12 Jan 2022 619th 5quiwyrm 926 104 9 Sep 2022 619th david-m-s 926 104 27 Feb 2023 619th Schmitt-Very-Cool 926 104 17 Aug 2023 619th dokutan 926 104 24 Mar 2024 619th h3ra993huskp 🇯🇵 926 104 31 Mar 2024 619th yoshykai 926 104 15 Apr 2025 632nd JayXon 🇺🇸 925 46 1 Mar 2021 632nd Lydxn 🇨🇦 925 46 9 Oct 2021 634th sisyphus-ppcg 🇦🇺 925 53 14 Oct 2022 634th Lydxn 🇨🇦 925 53 14 Oct 2022 634th JayXon 🇺🇸 925 53 14 Oct 2022 634th stefangimmillaro 925 53 15 Oct 2022 634th Steffan153 🇫🇮 925 53 17 Nov 2022 634th prplz 🇦🇺 925 53 24 Nov 2022 634th sean-niemann 🇺🇸 925 53 17 Feb 2023 634th Shanethegamer 🇺🇸 925 53 8 Mar 2023 634th m-tkach 🇺🇦 925 53 2 Jun 2023 634th Alex-x90 🇺🇸 925 53 17 Jul 2023 634th DialFrost 🇸🇬 925 53 26 Oct 2023 634th Betuaredead 925 53 13 Nov 2023 634th Yewzir 🇧🇪 925 53 14 Nov 2023 634th pardouin 🇫🇷 925 53 21 Aug 2024 634th voytxt 🇨🇿 925 53 12 Jan 2025 649th cure-honey 🇯🇵 925 62 29 Jun 2021 649th nipzu 925 62 13 Jan 2022 649th kumavale 🇯🇵 925 62 14 Jan 2022 649th Creative0708 🇨🇦 925 62 16 Dec 2023 649th okaponta 925 62 11 Jan 2024 649th dokutan 925 62 27 Mar 2024 655th Lydxn 🇨🇦 924 40 4 Jan 2022 655th saito-ta 🇯🇵 924 40 9 Nov 2023 657th Attero 🇸🇪 924 47 29 Mar 2020 657th Irratix 🇳🇱 924 47 15 Jan 2021 657th dokutan 924 47 21 Sep 2024 657th GalladeGuy 🇺🇸 924 47 15 Dec 2024 661st michael-pruglo 🇺🇦 924 69 13 Jul 2022 661st 09cf 924 69 3 Dec 2023 661st qwertyuiop3 🇷🇺 924 69 14 May 2025 664th JayXon 🇺🇸 924 87 5 Jun 2021 664th nwellnhof 🇩🇪 924 87 6 Jul 2021 664th Lydxn 🇨🇦 924 87 23 Sep 2021 664th Steffan153 🇫🇮 924 87 17 Dec 2022 664th DialFrost 🇸🇬 924 87 18 Jan 2023 664th MeWhenI 🇻🇦 924 87 9 Feb 2023 664th stefangimmillaro 924 87 13 Jun 2023 664th sean-niemann 🇺🇸 924 87 17 Jun 2023 664th Yewzir 🇧🇪 924 87 25 Oct 2023 664th sisyphus-ppcg 🇦🇺 924 87 29 Oct 2023 664th Betuaredead 924 87 11 Nov 2023 664th kkoenig 924 87 7 Jan 2024 Prev 601–675 of 3,747 Next