The Number

15

Fifteen

In Base 30 Trigesimal Is

f30

The numbers with a 30 subscript use Base 30 Trigesimal notation.

For more familiar numbers: See Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12
c30
Twelve in Base 30 Trigesimal
13
d30
Thirteen in Base 30 Trigesimal
14
e30
Fourteen in Base 30 Trigesimal
16
g30
Sixteen in Base 30 Trigesimal
17
h30
Seventeen in Base 30 Trigesimal
18
i30
Eightteen in Base 30 Trigesimal

Scientific Notation

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

1.5e1

Reciprocal

A number multiplied with its reciprocal is one.

0.230

The reciprocal of 15 in Base 30 Trigesimal.

Palindrome?

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

The number f30 is a palindrome.

Not A Prime Number

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

Fifteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 30 Trigesimal

A Composite

Composites have more than just these two factors.

Fifteen is a composite number with 4 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 fifteen has the following 2 prime factors:

3
330
Three in Base 30 Trigesimal
5
530
Five in Base 30 Trigesimal

Prime Factorization

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

3301 · 5301 = f30

Base Conversions

The number fifteen in 35 different bases