Middle Egyptian INumbers and Dates

Numerals

Numbers are written by repeating signs: the stroke 1, hobble 10, coil 100, lotus 1,000, finger 10,000, tadpole 100,000, and Heh 1,000,000.

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Egyptian numbers are among the easiest things to read in hieroglyphs, because they work by simple addition. You need only seven signs and the idea of sign kinds from Three Kinds of Signs.

Key idea

Each power of ten has its own sign, repeated as often as needed: the stroke 𓏤 1, the hobble 𓎆 10, the coil of rope 𓍢 100, the lotus 𓆼 1,000, the finger 𓂭 10,000, the tadpole 𓆐 100,000 and the god Heh 𓁨 1,000,000. Add them up.
The numeral signs (Gardiner, Lesson XX).
SignCodeWhat it showsValue
𓏤Z1a single stroke1
𓎆V20a hobble for cattle10
𓍢V1a coil of rope100
𓆼M12a lotus plant1,000
𓂭D50a finger10,000
𓆐I8a tadpole100,000
𓁨C11the god Heh, arms raised1,000,000
1,234: one lotus, two coils, three hobbles and four strokes.

Write a number by its parts, the largest first in reading order. 1,234 is one lotus (1,000), two coils (200), three hobbles (30) and four strokes (4). Repeated signs are arranged in neat stacks of two to four, so that a number fits the square groups of Groups and Quadrats. There is no sign for zero, and none is needed: if a number has no tens, the hobbles are simply left out.

2,047: two lotuses, four hobbles, seven strokes. No hundreds are written.

Big numbers

Big numbers appear in temple inventories, in records of booty and in the offering formula’s “thousand of bread, thousand of beer”. The Heh sign, a kneeling god holding up his arms, also stands for the word ḥḥ “millions”, and so for “eternity”: wishes for “millions of years” are common on royal monuments.

Why it works

Why is this system easy to read but slow to write? It is additive, like Roman numerals without subtraction: each sign has one value, wherever it stands. Reading means counting signs. But a number like 999 needs 27 signs. Scribes writing accounts in hieratic used quicker forms, with single signs for 2, 3, 20, 30 and so on.

Common mistake

Reading numerals by position, like our digits, so that two coils followed by three strokes become “23”. Egyptian numerals simply add up: two coils are 200, three strokes 3, total 203. Check: multiply each kind of sign by its value and add.

Worked example: Read it

What number is 𓍢𓍢𓎆𓏤𓏤𓏤?
  1. Two coils: 200.
  2. One hobble: 10.
  3. Three strokes: 3.
  4. Add: 213.

Answer: 213

Worked example: Write it

How many signs, and which, write 3,021?
  1. 3 lotuses (3,000).
  2. No coils (no hundreds).
  3. 2 hobbles (20) and 1 stroke (1).

Answer: 3 lotuses, 2 hobbles, 1 stroke: 6 signs

Worked example: A big one

What number is one tadpole and two fingers?
  1. Tadpole: 100,000.
  2. Two fingers: 20,000.

Answer: 120,000

Practice

Pass with 3 right answers, the last 2 in a row. Each right answer earns 1 XP.

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Sources and further reading

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