Word #454 00111000101

december — BIP39 word #454

"december" is word #454 of the 2048 words in the official BIP39 English wordlist, between decade and decide. In a seed phrase it stands for the 11-bit value 00111000101, decimal index 453.

/dɪˈsɛmbə/ · noun: the twelfth and last month of the year

Russian: декабрь

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):

reward judge board chunk cost device deny defy deal decline decade

Position

#454 of 2048

Hex Index

0x1C5

4-Letter Prefix

dece

About "december" in BIP39

"december" has 8 letters, but the first four, "dece", already identify it, because "dec" also begins decade, decide, decline, decorate and decrease.
"dece" is unique only within the English list: it also begins decennio in the Italian list, so a four-letter backup should say which list it uses.