# 1020

The numbers with a 20 subscript use Base 20 Vigesimal notation.

For more familiar numbers: See Twenty in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

17
h20
Seventeen in Base 20 Vigesimal
18
i20
Eightteen in Base 20 Vigesimal
19
j20
Nineteen in Base 20 Vigesimal
21
1120
Twenty-One in Base 20 Vigesimal
22
1220
Twenty-Two in Base 20 Vigesimal
23
1320
Twenty-Three in Base 20 Vigesimal

## 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.

### `0.120`

The reciprocal of 20 in Base 20 Vigesimal.

## Palindrome?

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

The number 1020 is not a palindrome.

## Not A Prime Number

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

Twenty is a composite number with 6 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

## A Composite

Composites have more than just these two factors.

Twenty is a composite number with 6 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 has the following 2 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal

## 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 in 35 different bases