The Number

13

Thirteen

In Base 12 Duodecimal Is

1112

The numbers with a 12 subscript use Base 12 Duodecimal notation.

For more familiar numbers: See Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

10
a12
Ten in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
12
1012
Twelve in Base 12 Duodecimal
14
1212
Fourteen in Base 12 Duodecimal
15
1312
Fifteen in Base 12 Duodecimal
16
1412
Sixteen in Base 12 Duodecimal

Scientific Notation

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

1.3e1

Reciprocal

A number multiplied with its reciprocal is one.

0.0b0b0b0b0b0b0b112

The reciprocal of 13 in Base 12 Duodecimal.

Palindrome?

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

The number 1112 is a palindrome.

A Prime Number

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

Thirteen is the 6th prime number.   See primes in Base 12 Duodecimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

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

The number thirteen has the following 1 prime factor:

13
1112
Thirteen in Base 12 Duodecimal

Prime Factorization

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

11121 = 1112

Base Conversions

The number thirteen in 35 different bases