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Why 8 and 9 are not octal numbers?
An octal number is a number that uses base-eight notation instead of base-ten. This means that instead of having the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9, it only uses the digits 0, 1, 2, 3, 4, 5, 6, and 7. The digits 8 and nine are not used. This doesn't mean that those numbers can't be expressed though, it simply means that they are expressed differently. In octal, the value eight would be expressed as "10" and the value nine as "11".
What are disadvantages of octal number system?
There are none, apart from the fact that people are not familiar with them. Also, there is a risk of confusion with decimal numbers.
What is the largest and smallest number in octal number system?
7 and 0
What is the Octal number system?
The Octal number system is a numeral system based on the number 8 (as opposed to 10). Interestingly, the cultures that have adopted this system count using the spaces between their fingers instead of the individual fingers themselves.
How many symbols does the octal number system use?
12
