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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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 901st SirFireball3521 836 45 164ms 22 Mar 2023 902nd GrayJoKing 🇦🇺 836 80 113ms 15 Jul 2023 903rd snoozingnewt 🇨🇦 835 84 3ms 9 Dec 2025 904th duckyluuk 🇳🇱 834 73 5ms 16 Dec 2024 905th Shanethegamer 🇺🇸 833 30 3ms 13 Jan 2022 906th PatrickStephansen 🇿🇦 833 72 12ms 3 Nov 2020 906th KatieLG 🇬🇧 833 72 13ms 16 Apr 2021 906th neihousaigaai 833 72 10ms 18 Apr 2021 906th two-bad 🇬🇧 833 72 11ms 25 Feb 2024 910th mogron 832 73 13ms 13 Dec 2019 910th FlorianCassayre 🇫🇷 832 73 9ms 30 Oct 2022 910th StefanHabel 🇨🇦 832 73 10ms 11 Dec 2022 910th DrakeSeteraO 832 73 10ms 25 Oct 2025 914th acacopardo 831 76 15ms 14 Nov 2017 914th MeWhenI 🇻🇦 831 76 15ms 15 Sep 2021 914th DaCuteRaccoon 831 76 15ms 30 Nov 2022 917th marshallward 🇺🇸 831 81 39ms 2 Sep 2022 918th kgodara 831 98 131ms 11 Mar 2023 919th primo-ppcg 🇹🇭 830 67 143ms 25 Dec 2020 919th lynn 830 67 139ms 18 May 2021 919th Yewzir 🇧🇪 830 67 139ms 17 Sep 2023 919th sean-niemann 🇺🇸 830 67 143ms 8 Oct 2024 923rd djeedjay 🇳🇱 830 86 1ms 26 Oct 2020 923rd Yewzir 🇧🇪 830 86 1ms 22 Dec 2023 925th fuzzylojik-golf 🇺🇸 830 93 458ms 30 Aug 2025 926th GrayJoKing 🇦🇺 829 53 18ms 10 Apr 2021 926th scpchicken 🇵🇼 829 53 33ms 23 May 2021 926th kurkale6ka 829 53 19ms 16 Jun 2021 926th sean-niemann 🇺🇸 829 53 33ms 7 Sep 2021 926th MeWhenI 🇻🇦 829 53 34ms 15 Sep 2021 926th DaCuteRaccoon 829 53 32ms 30 Nov 2022 926th Steffan153 🇫🇮 829 53 32ms 28 Jan 2023 926th DialFrost 🇸🇬 829 53 33ms 28 Jan 2023 926th snoozingnewt 🇨🇦 829 53 32ms 1 Sep 2024 926th LostSyntax21 🇬🇧 829 53 32ms 8 Jan 2025 926th fuzzylojik-golf 🇺🇸 829 53 19ms 15 Sep 2025 937th jared-hughes 829 82 116ms 11 Sep 2023 938th anter69 🇭🇺 828 57 37ms 3 Aug 2021 938th annaproxy 828 57 41ms 27 Aug 2022 938th BREMAUCY 🇫🇷 828 57 35ms 26 Mar 2024 938th dokutan 828 57 37ms 13 Mar 2026 942nd inventshah 828 80 2ms 9 Sep 2022 943rd Shanethegamer 🇺🇸 826 64 3ms 25 Apr 2023 944th Yewzir 🇧🇪 826 150 1,691ms 8 days ago 944th MeWhenI 🇻🇦 826 150 1,673ms 7 days ago 946th m-tkach 🇺🇦 825 64 422ms 30 Jan 2024 947th GolfingSuccess 🇬🇷 825 74 7ms 24 Feb 2026 948th didion0 🇺🇸 822 73 17ms 22 Apr 2021 948th itsh01 822 73 15ms 16 Aug 2021 948th c0d3-4-F00d 🇩🇪 822 73 12ms 5 Jan 2022 948th DaCuteRaccoon 822 73 10ms 30 Nov 2022 948th janbehrens 🇩🇪 822 73 11ms 17 Jun 2023 948th Yax42 🇫🇷 822 73 11ms 12 Nov 2025 954th snoozingnewt 🇨🇦 822 74 2,344ms 29 Nov 2025 955th KatieLG 🇬🇧 821 74 18ms 5 Nov 2020 955th trist224 🇫🇷 821 74 10ms 15 Nov 2022 955th QuincyNash 🇺🇸 821 74 11ms 29 Nov 2022 958th AaronGarbut 821 87 1ms 30 Jul 2019 959th MeWhenI 🇻🇦 820 98 38ms 28 Aug 2024 960th phdphil 818 46 161ms 9 Apr 2018 961st snoozingnewt 🇨🇦 818 68 144ms 29 Nov 2025 962nd dokutan 818 85 110ms 23 Jul 2025 963rd orthoplex 🇨🇽 817 36 35ms 20 Jul 2024 964th Frank-Buss 817 93 6ms 29 Aug 2020 965th MeWhenI 🇻🇦 815 71 3ms 25 Jul 2023 966th NewDefectus 🇮🇱 814 54 14ms 15 Dec 2021 967th Waffle3z 814 58 42ms 20 Jan 2021 967th jbbarth 🇫🇷 814 58 41ms 8 Oct 2021 967th AlephSquirrel 814 58 44ms 14 Apr 2023 967th SirBogman 🇺🇸 814 58 40ms 10 Jan 2024 967th fuzzylojik-golf 🇺🇸 814 58 36ms 3 Sep 2025 972nd dokutan 814 100 128ms 23 Jul 2025 973rd GrayJoKing 🇦🇺 813 71 149ms 3 Aug 2024 974th MeWhenI 🇻🇦 812 65 484ms 17 Jan 2024 974th Babafaba 812 65 402ms 4 Nov 2025 976th tomtheisen 🇺🇸 811 74 10ms 9 Oct 2020 976th weliveinhell 🇭🇹 811 74 10ms 3 Sep 2023 976th thisishowmymindworks 🇳🇴 811 74 20ms 10 Jun 2024 979th ListeriaM 811 88 2ms 25 Aug 2023 979th Jonatan6 🇩🇰 811 88 2ms 27 Apr 2024 981st mortimervonchappuis 810 75 13ms 17 Mar 2020 981st SirFireball3521 810 75 10ms 28 Jan 2023 981st AlexanderFair 810 75 12ms 2 Jul 2023 981st msbranicky 810 75 13ms 25 Jul 2023 985th snoozingnewt 🇨🇦 810 78 5ms 29 Nov 2025 986th Natanaelel 🇸🇪 809 32 44ms 22 Jul 2022 986th SirBogman 🇺🇸 809 32 44ms 10 Sep 2022 988th primo-ppcg 🇹🇭 809 61 87ms 9 Feb 2022 989th janbehrens 🇩🇪 808 82 2ms 26 Nov 2023 990th KenanSi 806 31 3ms 24 Feb 2022 990th ashtraypettingzoo 🇺🇸 806 31 3ms 5 Apr 2023 992nd DialFrost 🇸🇬 806 62 51ms 21 Jan 2025 993rd primo-ppcg 🇹🇭 806 102 25ms 25 Jun 2022 994th MeWhenI 🇻🇦 802 72 142ms 3 Aug 2024 995th jared-hughes 802 104 492ms 24 Sep 2025 996th AlexDaniel 🇪🇪 801 47 187ms 5 Apr 2020 996th SirBogman 🇺🇸 801 47 162ms 4 Nov 2021 998th adoxography 800 59 39ms 22 Jul 2018 998th flavono123 800 59 38ms 19 Dec 2019 998th rbviz 800 59 39ms 29 Mar 2021 First Prev 901–1,000 of 3,243 Next Last