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numeral systems: octal



Number 1010 example conversions:

1010 oct = 1000001000 bin
1010 oct = 520 dec
1010 oct = 208 hex

Multiplication table:

× 1 2 3 4 5 6 7 8
1 1 2 3 4 5 6 7 10
2 2 4 6 10 12 14 16 20
3 3 6 11 14 17 22 25 30
4 4 10 14 20 24 30 34 40
5 5 12 17 24 31 36 43 50
6 6 14 22 30 36 44 52 60
7 7 16 25 34 43 52 61 70
8 10 20 30 40 50 60 70 100
9 11 22 33 44 55 66 77 110
10 12 24 36 50 62 74 106 120
11 13 26 41 54 67 102 115 130
12 14 30 44 60 74 110 124 140