Niven Numbers in C 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 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 65th f-tucker 873 55 1ms 5 Jan 2024 65th rniii 873 55 1ms 16 Sep 2024 65th stackofbears 873 55 1ms 20 Jan 2025 65th 5quiwyrm 873 55 2ms 13 Aug 2025 65th kellantech 873 55 2ms 37 hours ago 81st jngbsn 857 56 1ms 2 Mar 2019 81st rambox11 857 56 1ms 11 Mar 2019 81st retrohun 857 56 2ms 15 Mar 2019 81st gastropner 857 56 2ms 25 Dec 2020 81st YellowBunnyGit 857 56 1ms 4 Feb 2021 81st RDShah 857 56 1ms 15 Apr 2021 81st thebuilder6 🇺🇸 857 56 1ms 22 Nov 2021 81st ZakkkkAttackkkk 🇵🇭 857 56 1ms 20 Dec 2021 81st AndreaNeti 857 56 2ms 16 Jun 2022 81st isaiah0311 857 56 2ms 16 Feb 2023 81st zbreit 🇺🇸 857 56 1ms 4 May 2023 81st AdrienHache 🇫🇷 857 56 2ms 29 Dec 2023 81st ibrahimhanifceker 857 56 2ms 8 Aug 2024 81st Lv0Sys 🇵🇱 857 56 2ms 9 days ago 95th Alesun 🇮🇹 842 57 1ms 11 Oct 2019 95th Luca2812 842 57 2ms 14 Mar 2025 97th bendapootie 828 58 2ms 6 Jul 2020 97th LeeCamp 828 58 1ms 28 Apr 2022 99th roavin 814 59 2ms 27 May 2022 100th nexaitch 800 60 1ms 8 Jul 2020 100th mousetail 🇳🇱 800 60 1ms 12 Jan 2023 102nd pandapawskat 787 61 1ms 7 Sep 2021 102nd Jonatan6 🇩🇰 787 61 1ms 15 Mar 2024 104th archee303 774 62 1ms 4 Feb 2020 104th jlangvand 774 62 1ms 9 Aug 2021 106th taklam 762 63 4ms 20 May 2020 106th aubergine-sauce 762 63 1ms 20 Sep 2023 106th RealAMC 🇳🇿 762 63 2ms 15 Nov 2023 109th JeromeSchweitzer 750 64 2ms 8 Sep 2020 109th mamalakic 750 64 1ms 1 Mar 2023 109th TeodorDyakov 🇧🇬 750 64 1ms 5 Mar 2025 112th aliakseikalosha 716 67 1ms 26 Apr 2021 112th Us1ngTh3Hub 716 67 1ms 23 Feb 2024 114th MarcMush 🇫🇷 696 69 1ms 29 Jun 2021 115th Vinterion 676 71 1ms 6 Nov 2023 116th namcartoon06 667 72 1ms 30 Jun 2023 117th AforAmpere 658 73 2ms 7 Jun 2020 117th garrisonhh 658 73 1ms 21 Nov 2020 117th LorenzoDeGaspari 658 73 1ms 3 May 2024 120th Natanaelel 🇸🇪 649 74 1ms 22 Feb 2023 121st Re-Adventures 🇮🇳 640 75 2ms 10 Aug 2022 121st kkoenig 640 75 1ms 4 Jan 2024 123rd Heathcorp 🇦🇺 632 76 1ms 8 Nov 2022 123rd ridingqwerty 🇺🇸 632 76 1ms 23 Jul 2025 125th Flying-Toast 623 77 1ms 18 Apr 2024 125th bac0id 623 77 2ms 1 Jul 2024 127th citsur 615 78 2ms 9 Jun 2019 127th CatsAreFluffy 615 78 1ms 18 Feb 2023 129th rifatx 608 79 1ms 12 Jul 2024 130th mttcrn 600 80 2ms 21 Mar 2025 131st AkashTandon167 585 82 1ms 12 Nov 2019 131st c0d3-4-F00d 🇩🇪 585 82 1ms 6 Sep 2021 131st jgbaldwinbrown 585 82 1ms 1 Sep 2022 131st HumanoidCPU 585 82 2ms 24 Feb 2024 131st mntGiulio 585 82 2ms 18 Mar 2025 131st matejmatik123 🇸🇰 585 82 1ms 6 Jul 2025 137th chartung17 578 83 1ms 5 Dec 2021 138th dieckie 565 85 1ms 22 Dec 2019 138th generot 🇧🇬 565 85 2ms 22 Sep 2020 138th ibexq 565 85 2ms 30 Sep 2022 138th xnacly 🇩🇪 565 85 1ms 4 Jul 2023 142nd lovernj 558 86 2ms 31 Jan 2022 142nd kallmi28 🇨🇿 558 86 2ms 26 Sep 2023 144th DaCuteRaccoon 552 87 2ms 28 Dec 2022 145th AaronGarbut 545 88 1ms 30 Jul 2019 145th 0dyse 545 88 2ms 6 May 2025 147th dillon-duncando 539 89 2ms 24 Dec 2021 148th ConorOBrien-Foxx 533 90 1ms 3 Mar 2019 148th charlieharutaka 533 90 2ms 29 Sep 2021 150th msbranicky 500 96 2ms 28 Aug 2023 First Prev 76–150 of 176 Next Last