Happy 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 brainfuck 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 Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong 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 Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig 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 brainfuck 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 Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong 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 Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Lang Points Bytes Time 541st janbehrens 🇩🇪 Java 866 134 26 Nov 2023 542nd nwellnhof 🇩🇪 C++ 864 99 3 Jan 2022 542nd Alex-x90 🇺🇸 C++ 864 99 20 Sep 2022 542nd Steffan153 🇫🇮 C++ 864 99 28 Jan 2023 545th annaproxy ><> 862 46 18 Feb 2022 546th sean-niemann 🇺🇸 PHP 862 73 19 Mar 2022 546th DialFrost 🇸🇬 PHP 862 73 12 Oct 2023 548th msbranicky Go 862 117 8 Sep 2023 549th Yewzir 🇧🇪 Java 860 135 23 Apr 2023 550th MeWhenI 🇻🇦 Lua 858 78 27 Dec 2022 551st MeWhenI 🇻🇦 Janet 857 61 23 May 2023 552nd treeowl Haskell 857 79 27 Feb 2019 552nd user189032 Haskell 857 79 29 May 2019 552nd cbrt-x Haskell 857 79 15 Sep 2023 555th ovs-code 🇩🇪 OCaml 857 95 10 Jan 2023 556th gilufin Ruby 856 55 30 May 2021 556th Natanaelel 🇸🇪 Ruby 856 55 10 May 2023 558th GrayJoKing 🇦🇺 Coconut 856 61 15 Jan 2024 558th namelessiw Coconut 856 61 5 Mar 2024 558th neel11235813 Coconut 856 61 10 Mar 2024 561st emgordon154 Crystal 855 58 22 Dec 2021 562nd GrayJoKing 🇦🇺 JavaScript 855 70 20 Sep 2021 562nd 0x24a537r9 JavaScript 855 70 10 Sep 2022 564th Steffan153 🇫🇮 Tcl 855 81 3 Feb 2023 564th GrayJoKing 🇦🇺 Tcl 855 81 12 Feb 2023 566th jared-hughes C++ 855 100 20 Jul 2022 567th ovs-code 🇩🇪 Raku 854 44 31 Dec 2023 568th m-tkach 🇺🇦 Wren 852 77 5 Dec 2023 569th DaCuteRaccoon AWK 851 65 30 Nov 2022 570th stefangimmillaro Nim 850 66 15 Jul 2023 571st ScottHamper C# 849 86 21 Nov 2021 571st sean-niemann 🇺🇸 C# 849 86 29 Dec 2021 573rd JDiLenarda 🇫🇷 F# 847 71 9 Oct 2020 574th sean-niemann 🇺🇸 Berry 847 82 25 Jan 2024 575th NewDefectus 🇮🇱 C 847 84 16 Dec 2021 576th MeWhenI 🇻🇦 C++ 847 101 8 May 2022 576th janbehrens 🇩🇪 C++ 847 101 26 Nov 2023 576th roupiq 🇵🇱 C++ 847 101 10 Feb 2024 579th RussellEmerine Haskell 846 80 30 Nov 2019 579th Natanaelel 🇸🇪 Haskell 846 80 31 Mar 2022 581st clockworknazo Tcl 845 82 13 Oct 2022 581st ovs-code 🇩🇪 Tcl 845 82 7 Feb 2023 581st Lydxn 🇨🇦 Tcl 845 82 28 Feb 2023 584th MeWhenI 🇻🇦 BASIC 844 75 20 Jun 2022 585th jared-hughes JavaScript 843 71 29 Oct 2021 585th stefangimmillaro JavaScript 843 71 27 Aug 2022 585th Maznek JavaScript 843 71 19 Jun 2023 588th lynn TeX 843 93 15 Mar 2023 589th ovs-code 🇩🇪 Coconut 842 62 2 Mar 2024 590th Frowny Python 842 72 3 Jul 2020 591st jslip J 841 35 5 Sep 2018 591st SirBogman 🇺🇸 J 841 35 3 Nov 2019 591st rak1507 🇬🇧 J 841 35 20 Sep 2021 594th lynn Crystal 840 59 25 May 2022 595th villfa PHP 839 75 30 Nov 2018 596th GrayJoKing 🇦🇺 Rockstar 839 92 a day ago 596th sisyphus-ppcg 🇦🇺 Rockstar 839 92 a day ago 598th prplz 🇦🇺 Rust 839 96 30 Apr 2022 598th elgan65536 Rust 839 96 11 Nov 2023 600th dokutan C++ 838 102 17 days ago Prev 541–600 of 2,298 Next