The Number

13

Thirteen

In Base 31 Untrigesimal Is

d31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

For more familiar numbers: See Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

10
a31
Ten in Base 31 Untrigesimal
11
b31
Eleven in Base 31 Untrigesimal
12
c31
Twelve in Base 31 Untrigesimal
14
e31
Fourteen in Base 31 Untrigesimal
15
f31
Fifteen in Base 31 Untrigesimal
16
g31
Sixteen in Base 31 Untrigesimal

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.

0.2bsj2bsj2bsi31

The reciprocal of 13 in Base 31 Untrigesimal.

Palindrome?

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

The number d31 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 31 Untrigesimal

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
d31
Thirteen in Base 31 Untrigesimal

Prime Factorization

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

d311 = d31

Base Conversions

The number thirteen in 35 different bases