--- title: "BIP39 Word #1300: pen — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/pen/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #1300 10100010011 # pen — BIP39 word #1300 "**pen**" is word #1300 of the 2048 words in the official BIP39 English wordlist, between [pelican](/bip39-word/pelican/) and [penalty](/bip39-word/penalty/). In a seed phrase it stands for the 11-bit value `10100010011`, decimal index 1299\. /pɛn/ · _noun:_ a tool for writing or drawing with ink [Russian](/ru/ "The BIP39 wordlist with Russian translations"): ручка ## Binary Representation Five 1-bits and six 0-bits; 462 of the 2048 indexes have exactly five 1-bits. One wrong bit turns it into (leftmost bit first): [carbon](/bip39-word/carbon/)[tiny](/bip39-word/tiny/)[list](/bip39-word/list/)[raven](/bip39-word/raven/)[price](/bip39-word/price/)[please](/bip39-word/please/)[parrot](/bip39-word/parrot/)[pet](/bip39-word/pet/)[pepper](/bip39-word/pepper/)[peasant](/bip39-word/peasant/)[pelican](/bip39-word/pelican/) Position Hex Index 0x513 4-Letter Prefix pen ## About "pen" in BIP39 - All three letters of "pen" also begin longer words: [penalty](/bip39-word/penalty/) and [pencil](/bip39-word/pencil/). So "pen" cannot be shortened, and a backup that keeps the first four letters of each word stores it as **"pen"** but penalty as **"pena"**. ## Word #1300 in the Other 9 BIP39 Wordlists [Czech](/czech/) posed [French](/french/) narrer [Italian](/italian/) pirolisi [Japanese](/japanese/) てわたし [Korean](/korean/) 육십 [Portuguese](/portuguese/) morcego [Spanish](/spanish/) olfato [Traditional Chinese](/chinese-traditional/) 刺 [Simplified Chinese](/chinese-simplified/) 刺 ## Similar Words — Check Carefully During Recovery 4 BIP39 words differ from "pen" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [hen](/bip39-word/hen/)[open](/bip39-word/open/)[pet](/bip39-word/pet/)[ten](/bip39-word/ten/) Read aloud, "pen" /pɛn/ is one sound away from these 2 words: [then /ðɛn/](/bip39-word/then/)[when /wɛn/](/bip39-word/when/) Words sharing the first three letters "pen": [penalty](/bip39-word/penalty/)[pencil](/bip39-word/pencil/) ## More BIP39 Words Starting with "P" [ #1296 peanut ](/bip39-word/peanut/)[ #1297 pear ](/bip39-word/pear/)[ #1298 peasant ](/bip39-word/peasant/)[ #1299 pelican ](/bip39-word/pelican/)[ #1301 penalty ](/bip39-word/penalty/)[ #1302 pencil ](/bip39-word/pencil/)[ #1303 people ](/bip39-word/people/)[ #1304 pepper ](/bip39-word/pepper/) [View all words starting with "P" ](/bip39-words/p/) ## Seed phrase, key and recovery guides - [How to Restore a Wallet From a Seed Phrase: Step by Step](/restore-wallet-from-seed-phrase/) - [xpub, ypub and zpub: Extended Public Keys Explained](/xpub-ypub-zpub/) - [SLIP-39 vs BIP39: Shamir Backup and 20-Word Shares Explained](/slip39-vs-bip39/) [ Full BIP39 Wordlist ](/)