Word #1658 11001111001
song — BIP39 word #1658
"song" is word #1658 of the 2048 words in the official BIP39 English wordlist, between someone and soon.
In a seed phrase it stands for the 11-bit value
11001111001,
decimal index 1657.
/sɒŋ/ · noun: a short piece of music with words that are sung
Russian: песня
Binary Representation
Seven 1-bits and four 0-bits; 330 of the 2048 indexes have exactly seven 1-bits.
One wrong bit turns it into (leftmost bit first):
Position
#1658 of 2048
Hex Index
0x679
4-Letter Prefix
song
About "song" in BIP39
- "song" has 4 letters, but the first three, "son", already identify it, because "so" also begins 20 other words, among them soap, soccer, social and sock. Three letters are enough for only 604 of the 2048 words.
- "song" is unique only within the English list: it also begins songeur in the French list, so a four-letter backup should say which list it uses.
Word #1658 in the Other 9 BIP39 Wordlists
Similar Words — Check Carefully During Recovery
2 BIP39 words differ from "song" by just a single letter — the most common source of typos when a seed phrase is entered by hand:
Read aloud, "song" /sɒŋ/ is one sound away from these 2 words: