The Number

11

Eleven

In Base 18 Octodecimal Is

b18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Eleven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

8
818
Eight in Base 18 Octodecimal
9
918
Nine in Base 18 Octodecimal
10
a18
Ten in Base 18 Octodecimal
12
c18
Twelve in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
14
e18
Fourteen in Base 18 Octodecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.1e1

Reciprocal

A number multiplied with its reciprocal is one.

0.1b834g69ed1b8618

The reciprocal of 11 in Base 18 Octodecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number b18 is a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eleven is the 5th prime number.   See primes in Base 18 Octodecimal

Not A Composite

Composites have more than just these two factors.

Eleven is not a composite number because it has exactly two factors: One and Eleven

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eleven has the following 1 prime factor:

11
b18
Eleven in Base 18 Octodecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

b181 = b18

Base Conversions

The number eleven in 35 different bases