The Number

13

Thirteen

In Base 2 Binary Is

11012

The numbers with a 2 subscript use Base 2 Binary notation.

For more familiar numbers: See Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

10
10102
Ten in Base 2 Binary
11
10112
Eleven in Base 2 Binary
12
11002
Twelve in Base 2 Binary
14
11102
Fourteen in Base 2 Binary
15
11112
Fifteen in Base 2 Binary
16
100002
Sixteen in Base 2 Binary

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.

0.0001001110110001001110110001001110110001001110110001012

The reciprocal of 13 in Base 2 Binary.

Palindrome?

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

The number 11012 is not 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 2 Binary

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
11012
Thirteen in Base 2 Binary

Prime Factorization

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

110121 = 11012

Base Conversions

The number thirteen in 35 different bases