Niven Numbers in C 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 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 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 ArkScript 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 ArkScript 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 Calendar 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 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 Bytes Time Submitted 64th kellantech 891 55 2ms 9 Dec 2025 64th JOrE20 🇺🇸 891 55 2ms 4 days ago 83rd jngbsn 875 56 1ms 2 Mar 2019 83rd rambox11 875 56 1ms 11 Mar 2019 83rd retrohun 875 56 2ms 15 Mar 2019 83rd gastropner 875 56 2ms 25 Dec 2020 83rd YellowBunnyGit 875 56 1ms 4 Feb 2021 83rd RDShah 875 56 1ms 15 Apr 2021 83rd thebuilder6 🇺🇸 875 56 1ms 22 Nov 2021 83rd ZakkkkAttackkkk 🇵🇭 875 56 1ms 20 Dec 2021 83rd AndreaNeti 875 56 2ms 16 Jun 2022 83rd isaiah0311 875 56 2ms 16 Feb 2023 83rd zbreit 🇺🇸 875 56 1ms 4 May 2023 83rd AdrienHache 🇫🇷 875 56 2ms 29 Dec 2023 83rd ibrahimhanifceker 875 56 2ms 8 Aug 2024 83rd Lv0Sys 🇵🇱 875 56 2ms 1 Dec 2025 97th Alesun 🇮🇹 860 57 1ms 11 Oct 2019 97th Luca2812 860 57 2ms 14 Mar 2025 99th bendapootie 845 58 2ms 6 Jul 2020 99th LeeCamp 845 58 1ms 28 Apr 2022 101st roavin 831 59 2ms 27 May 2022 102nd nexaitch 817 60 1ms 8 Jul 2020 102nd mousetail 🇳🇱 817 60 1ms 12 Jan 2023 104th pandapawskat 803 61 1ms 7 Sep 2021 105th archee303 790 62 1ms 4 Feb 2020 105th jlangvand 790 62 1ms 9 Aug 2021 105th Jonatan6 🇩🇰 790 62 2ms 27 Apr 2024 108th taklam 778 63 4ms 20 May 2020 108th aubergine-sauce 778 63 1ms 20 Sep 2023 108th RealAMC 🇳🇿 778 63 2ms 15 Nov 2023 111th JeromeSchweitzer 766 64 2ms 8 Sep 2020 111th mamalakic 766 64 1ms 1 Mar 2023 111th TeodorDyakov 🇧🇬 766 64 1ms 5 Mar 2025 114th aliakseikalosha 731 67 1ms 26 Apr 2021 114th Us1ngTh3Hub 731 67 1ms 23 Feb 2024 116th MarcMush 🇫🇷 710 69 1ms 29 Jun 2021 117th Vinterion 690 71 1ms 6 Nov 2023 118th namcartoon06 681 72 1ms 30 Jun 2023 119th AforAmpere 671 73 2ms 7 Jun 2020 119th garrisonhh 671 73 1ms 21 Nov 2020 119th LorenzoDeGaspari 671 73 1ms 3 May 2024 122nd Natanaelel 🇸🇪 662 74 1ms 22 Feb 2023 123rd Re-Adventures 🇮🇳 653 75 2ms 10 Aug 2022 123rd kkoenig 653 75 1ms 4 Jan 2024 125th Heathcorp 🇦🇺 645 76 1ms 8 Nov 2022 125th ridingqwerty 🇺🇸 645 76 1ms 23 Jul 2025 127th Flying-Toast 636 77 1ms 18 Apr 2024 128th citsur 628 78 2ms 9 Jun 2019 128th CatsAreFluffy 628 78 1ms 18 Feb 2023 128th bac0id 628 78 1ms 30 Jun 2024 131st rifatx 620 79 1ms 12 Jul 2024 132nd mttcrn 613 80 2ms 21 Mar 2025 132nd Maashau 613 80 2ms 25 days ago 134th AkashTandon167 598 82 1ms 12 Nov 2019 134th c0d3-4-F00d 🇩🇪 598 82 1ms 6 Sep 2021 134th jgbaldwinbrown 598 82 1ms 1 Sep 2022 134th HumanoidCPU 598 82 2ms 24 Feb 2024 134th mntGiulio 598 82 2ms 18 Mar 2025 134th matejmatik123 🇸🇰 598 82 1ms 6 Jul 2025 140th chartung17 590 83 1ms 5 Dec 2021 141st dieckie 576 85 1ms 22 Dec 2019 141st generot 🇧🇬 576 85 2ms 22 Sep 2020 141st ibexq 576 85 2ms 30 Sep 2022 141st xnacly 🇩🇪 576 85 1ms 4 Jul 2023 145th lovernj 570 86 2ms 31 Jan 2022 145th kallmi28 🇨🇿 570 86 2ms 26 Sep 2023 147th DaCuteRaccoon 563 87 2ms 28 Dec 2022 148th AaronGarbut 557 88 1ms 30 Jul 2019 148th 0dyse 557 88 2ms 6 May 2025 150th dillon-duncando 551 89 2ms 24 Dec 2021 151st ConorOBrien-Foxx 544 90 1ms 3 Mar 2019 151st charlieharutaka 544 90 2ms 29 Sep 2021 153rd msbranicky 510 96 2ms 28 Aug 2023 154th osmith93 505 97 1ms 13 Dec 2020 154th furokku 505 97 2ms 4 Apr 2022 156th Sephirem98 500 98 1ms 26 Oct 2023 157th ramytarchichy 480 102 1ms 23 Jun 2019 157th jonah1068 480 102 1ms 15 Sep 2023 159th Giantnoodlemonster 467 105 1ms 27 Sep 2024 160th Haksell 🇦🇶 458 107 2ms 28 Feb 2023 First Prev 81–160 of 179 Next Last