# e020

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

For more familiar numbers: See Two Hundred and Eighty in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

277
dh20
Two Hundred and Seventy-Seven in Base 20 Vigesimal
278
di20
Two Hundred and Seventy-Eight in Base 20 Vigesimal
279
dj20
Two Hundred and Seventy-Nine in Base 20 Vigesimal
281
e120
Two Hundred and Eighty-One in Base 20 Vigesimal
282
e220
Two Hundred and Eighty-Two in Base 20 Vigesimal
283
e320
Two Hundred and Eighty-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.

### `0.018b8b8b8b8b8b20`

The reciprocal of 280 in Base 20 Vigesimal.

## Palindrome?

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

The number e020 is not a palindrome.

## Not A Prime Number

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

Two hundred and eighty is a composite number with 16 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

## A Composite

Composites have more than just these two factors.

Two hundred and eighty is a composite number with 16 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 two hundred and eighty has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
7
720
Seven 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 two hundred and eighty in 35 different bases