Word #840 01101000111
happy — BIP39 word #840
"happy" is word #840 of the 2048 words in the official BIP39 English wordlist, between hand and harbor.
In a seed phrase it stands for the 11-bit value
01101000111,
decimal index 839.
/ˈhæpi/ · adjective: feeling or showing pleasure and contentment
Russian: счастливый
Binary Representation
Six 1-bits and five 0-bits; 462 of the 2048 indexes have exactly six 1-bits.
One wrong bit turns it into (leftmost bit first):
Position
#840 of 2048
Hex Index
0x347
4-Letter Prefix
happ
About "happy" in BIP39
- "happy" has 5 letters, but the first three, "hap", already identify it, because "ha" also begins 14 other words, among them habit, hair, half and hammer. Three letters are enough for only 604 of the 2048 words.
- "happy" appears in one of the 24 official English test vectors of BIP39: vector #15 (word 13 of 24). Every official vector passes the checksum checker, and How BIP39 works shows how the entropy turns into such words.
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