Happy Numbers in all languages 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 826th acacopardo 831 76 13ms 14 Nov 2017 826th MeWhenI 🇻🇦 831 76 13ms 15 Sep 2021 826th DaCuteRaccoon 831 76 13ms 30 Nov 2022 829th marshallward 🇺🇸 831 81 41ms 2 Sep 2022 830th Lydxn 🇨🇦 831 83 1ms 10 Oct 2023 831st djeedjay 🇳🇱 830 86 2ms 26 Oct 2020 831st Yewzir 🇧🇪 830 86 2ms 22 Dec 2023 833rd fuzzylojik-golf 🇺🇸 830 93 433ms 30 Aug 2025 834th kgodara 830 98 125ms 11 Mar 2023 835th CLOStrophobic 🇮🇹 830 102 41ms 14 Feb 2025 836th GrayJoKing 🇦🇺 829 53 18ms 10 Apr 2021 836th scpchicken 🇵🇼 829 53 32ms 23 May 2021 836th kurkale6ka 829 53 19ms 16 Jun 2021 836th sean-niemann 🇺🇸 829 53 32ms 7 Sep 2021 836th MeWhenI 🇻🇦 829 53 33ms 15 Sep 2021 836th DaCuteRaccoon 829 53 32ms 30 Nov 2022 836th Steffan153 🇫🇮 829 53 32ms 28 Jan 2023 836th DialFrost 🇸🇬 829 53 33ms 28 Jan 2023 836th snoozingnewt 🇺🇸 829 53 48ms 1 Sep 2024 836th LostSyntax21 🇬🇧 829 53 35ms 8 Jan 2025 836th fuzzylojik-golf 🇺🇸 829 53 19ms 15 Sep 2025 847th primo-ppcg 🇹🇭 829 67 89ms 25 Dec 2020 847th lynn 829 67 126ms 18 May 2021 847th Yewzir 🇧🇪 829 67 98ms 17 Sep 2023 847th sean-niemann 🇺🇸 829 67 95ms 8 Oct 2024 851st jared-hughes 829 82 158ms 11 Sep 2023 852nd anter69 🇭🇺 828 57 36ms 3 Aug 2021 852nd annaproxy 828 57 55ms 27 Aug 2022 852nd BREMAUCY 🇫🇷 828 57 41ms 26 Mar 2024 855th inventshah 827 80 3ms 9 Sep 2022 856th Shanethegamer 🇺🇸 826 64 3ms 25 Apr 2023 857th m-tkach 🇺🇦 825 64 376ms 30 Jan 2024 858th dokutan 825 101 353ms 24 Sep 2025 859th didion0 🇺🇸 822 73 13ms 22 Apr 2021 859th itsh01 822 73 14ms 16 Aug 2021 859th c0d3-4-F00d 🇩🇪 822 73 12ms 5 Jan 2022 859th DaCuteRaccoon 822 73 10ms 30 Nov 2022 859th janbehrens 🇩🇪 822 73 10ms 17 Jun 2023 859th snoozingnewt 🇺🇸 822 73 9ms 1 Sep 2024 859th Yax42 🇫🇷 822 73 9ms 13 days ago 866th DialFrost 🇸🇬 822 103 40ms 16 Feb 2025 867th ovs-code 🇩🇪 822 153 1,544ms 14 Sep 2025 867th primo-ppcg 🇹🇭 822 153 1,500ms 15 Sep 2025 867th emgordon154 822 153 1,501ms 16 Sep 2025 867th Yewzir 🇧🇪 822 153 1,551ms 12 days ago 871st KatieLG 🇬🇧 821 74 15ms 5 Nov 2020 871st trist224 🇫🇷 821 74 10ms 15 Nov 2022 871st QuincyNash 🇺🇸 821 74 9ms 29 Nov 2022 874th AaronGarbut 820 87 2ms 30 Jul 2019 875th phdphil 818 46 140ms 9 Apr 2018 876th dokutan 818 85 102ms 23 Jul 2025 877th orthoplex 🇨🇽 817 36 38ms 20 Jul 2024 878th Frank-Buss 817 93 6ms 29 Aug 2020 879th jared-hughes 817 154 1,555ms 16 Sep 2025 879th MeWhenI 🇻🇦 817 154 1,523ms 18 days ago 881st NewDefectus 🇮🇱 813 54 16ms 15 Dec 2021 882nd Waffle3z 813 58 61ms 20 Jan 2021 882nd jbbarth 🇫🇷 813 58 33ms 8 Oct 2021 882nd AlephSquirrel 813 58 65ms 14 Apr 2023 882nd SirBogman 🇺🇸 813 58 36ms 10 Jan 2024 882nd fuzzylojik-golf 🇺🇸 813 58 35ms 3 Sep 2025 887th MeWhenI 🇻🇦 813 71 3ms 25 Jul 2023 887th GrayJoKing 🇦🇺 813 71 135ms 3 Aug 2024 889th dokutan 813 100 121ms 23 Jul 2025 890th MeWhenI 🇻🇦 812 65 426ms 17 Jan 2024 890th Babafaba 812 65 320ms 22 days ago 892nd tomtheisen 🇺🇸 811 74 9ms 9 Oct 2020 892nd weliveinhell 🇭🇹 811 74 9ms 3 Sep 2023 892nd thisishowmymindworks 🇳🇴 811 74 14ms 10 Jun 2024 892nd Lv0Sys 🇵🇱 811 74 13ms 31 May 2025 896th rucin93 🇵🇱 811 85 2ms 7 days ago 897th ListeriaM 811 88 2ms 25 Aug 2023 897th Jonatan6 🇩🇰 811 88 2ms 27 Apr 2024 899th mortimervonchappuis 810 75 9ms 17 Mar 2020 899th SirFireball3521 810 75 9ms 28 Jan 2023 First Prev 826–900 of 3,112 Next Last