344 From a letter to Edmund Meskys

[On the subject of numerals in The Lord of the Rings.]

23 November 1972

With regard to the numerals: the use of duodecimals, especially such main figures as 12 and 144, has no reference to fingers at all. The English use duodecimals and have special words for them, namely dozen and gross. The Babylonians used duodecimals. This is due to the elementary mathematical discovery, as soon as people stop counting on their fingers and toes, that 12 is a much more convenient number than 10. I did devise numeral signs to go with the Fëanorian alphabet accommodated to both a decimal nomenclature and a duodecimal, but I have never used them and no longer hold an accurate memory of them. I am afraid the folder containing the numeral systems is not available and may be locked away in a strongroom. I remember that the numerals were written according to a positional system like the Arabic, beginning at the left with the lowest number and rising to the highest on the right.