The number system that uses a base of 10 and the valid numbers are 0 to 9 is the decimal system.
A logarithm is the exponent to which a number called a base is raised to become a different specific number. A common logarithm uses 10 as the base and a natural logarithm uses the number e (approximately 2.71828) as the base.
The base 8 number system (shortened to oct) uses digits 0-7.
Egyptians uses base 10 number system
378 is not a valid octal number. Octal (base 8) uses digits 0-7.
Base 2 otherwise known as binary.
Hindu-Arabic is our current number system while Babylonian numbers are an ancient number system which uses base 60 and uses only two symbols.
In Math, a base is the number of numbers used to describe the mathematical system. For example, a base 2 system is called binary and uses 0 and 1; a base 10 system is a decimal system, and uses the current standard of ten numbers ranged from 0 to 10.
Octal (base 8) uses the digits 0 - 7.
All number systems use a figure for some kind to stand for a number. The numerals 0,1,2,3,4,5,6,7,8,9 are the symbols for base 10, but base 2 uses only 0 and 1. Base 16 uses 0,1,2,3,4,5,6,7,8,9, A(for 10), B(for 11), C(for 12), D(for 13), E(for 14), and F(for 15) that makes 16 symbols to be considered as single digits for 16 numbers (0 thru 15). Each base must have that number of symbols for their individual numbers from 0 to one less than the base. Base 60 will need 60 such symbols, I've never seen them.
It is called the binary system. It uses only 2 numbers. The numbers are "0" and "1" This is a computer language. Base 10 is our regular number system... consisting of 10 numbers from 1-9 including 0
Binary number. (Base 2 number system, a system that uses only 0's and 1's. Counting proceeds: 0,1,10,11 which in base 10 (normal system) would be 0,1,2,3. 10 in binary is actually "2" in Base 10)