The Number

12

Twelve

In Base 9 Nonary Is

139

The numbers with a 9 subscript use Base 9 Nonary notation.

For more familiar numbers: See Twelve in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

9
109
Nine in Base 9 Nonary
10
119
Ten in Base 9 Nonary
11
129
Eleven in Base 9 Nonary
13
149
Thirteen in Base 9 Nonary
14
159
Fourteen in Base 9 Nonary
15
169
Fifteen in Base 9 Nonary

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.

0.0666666666666666679

The reciprocal of 12 in Base 9 Nonary.

Palindrome?

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

The number 139 is not 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 9 Nonary

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
29
Two in Base 9 Nonary
3
39
Three in Base 9 Nonary

Prime Factorization

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

292 · 391 = 139

Base Conversions

The number twelve in 35 different bases