# 4g21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See One Hundred in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

97
4d21
Ninety-Seven in Base 21 Unovigesimal
98
4e21
Ninety-Eight in Base 21 Unovigesimal
99
4f21
Ninety-Nine in Base 21 Unovigesimal
101
4h21
One Hundred and One in Base 21 Unovigesimal
102
4i21
One Hundred and Two in Base 21 Unovigesimal
103
4j21
One Hundred and Three in Base 21 Unovigesimal

## 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.

### `0.048ch048ch048e21`

The reciprocal of 100 in Base 21 Unovigesimal.

## Palindrome?

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

The number 4g21 is not a palindrome.

## Not A Prime Number

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

One hundred is a composite number with 9 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

## A Composite

Composites have more than just these two factors.

One hundred is a composite number with 9 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 one hundred has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal

## Prime Factorization

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

## Base Conversions

The number one hundred in 35 different bases