But then, he says, it is absolutely necessary that the basis of numeration should be a prime number.
This is the prime number, every other number being simply so many units.
A number (other than 1) which has no factor except itself is called a prime number, or, more briefly, a prime.
A number (other than 1) which is not a prime number is called a composite number.
Suppose the hyperbolic logarithm of the prime number 43,867 required.
The difficulty lies wholly with those cases where n is a prime number.
|prime number |
A positive integer greater than 1 that can only be divided by itself and 1 without leaving a remainder. Examples of prime numbers are 7, 23, and 67. Compare composite number.
A number that cannot be divided evenly by any other number except itself and the number one; 1, 3, 5, 7, and 11 are prime numbers.