The Number

15

Fifteen

In Base 22 Duovigesimal Is

f22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

For more familiar numbers: See Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12
c22
Twelve in Base 22 Duovigesimal
13
d22
Thirteen in Base 22 Duovigesimal
14
e22
Fourteen in Base 22 Duovigesimal
16
g22
Sixteen in Base 22 Duovigesimal
17
h22
Seventeen in Base 22 Duovigesimal
18
i22
Eightteen in Base 22 Duovigesimal

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.

0.1a5j1a5j1a5j22

The reciprocal of 15 in Base 22 Duovigesimal.

Palindrome?

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

The number f22 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 22 Duovigesimal

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
322
Three in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal

Prime Factorization

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

3221 · 5221 = f22

Base Conversions

The number fifteen in 35 different bases