# l23

The numbers with a 23 subscript use Base 23 Trivigesimal notation.

For more familiar numbers: See Twenty-One in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

18
i23
Eightteen in Base 23 Trivigesimal
19
j23
Nineteen in Base 23 Trivigesimal
20
k23
Twenty in Base 23 Trivigesimal
22
m23
Twenty-Two in Base 23 Trivigesimal
23
1023
Twenty-Three in Base 23 Trivigesimal
24
1123
Twenty-Four in Base 23 Trivigesimal

## Scientific Notation

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

## Reciprocal

A number multiplied with its reciprocal is one.

### `0.1248hc1248hc23`

The reciprocal of 21 in Base 23 Trivigesimal.

## Palindrome?

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

The number l23 is a palindrome.

## Not A Prime Number

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

Twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 23 Trivigesimal

## A Composite

Composites have more than just these two factors.

Twenty-one 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 twenty-one has the following 2 prime factors:

3
323
Three in Base 23 Trivigesimal
7
723
Seven in Base 23 Trivigesimal

## Prime Factorization

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

## Base Conversions

The number twenty-one in 35 different bases