The Number

12

Twelve

In Base 18 Octodecimal Is

c18

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

For more familiar numbers: See Twelve in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

9
918
Nine in Base 18 Octodecimal
10
a18
Ten in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
14
e18
Fourteen in Base 18 Octodecimal
15
f18
Fifteen in Base 18 Octodecimal

Scientific Notation

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

1.2e1

Reciprocal

A number multiplied with its reciprocal is one.

0.1918

The reciprocal of 12 in Base 18 Octodecimal.

Palindrome?

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

The number c18 is a palindrome.

Not A Prime Number

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

Twelve is a composite number with 6 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twelve is a composite number with 6 total factors (including 1 and itself).

Prime Factors

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

The number twelve has the following 2 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal

Prime Factorization

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

2182 · 3181 = c18

Base Conversions

The number twelve in 35 different bases