The table below gives an example of an Old Babylonian single multiplication table with principal number 20.

20 times 1	20
20 times 2	40
20 times 3	1
20 times 4	1,20
20 times 5	1,40
20 times 6	2
20 times 7	2,20
20 times 8	2,40
20 times 9	3
20 times 10	3,20
20 times 11	3,40
20 times 12	4
20 times 13	4,20
20 times 14	4,40
20 times 15	5
20 times 16	5,20
20 times 17	5,40
20 times 18	6
20 times 19	6,20
20 times 20	6,40
20 times 30	10
20 times 40	13,20
20 times 50	16,40

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Last modified: 7 June 2001