# 1305

The numbers with a 5 subscript use Base 5 Quinary notation.

For more familiar numbers: See Forty in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

37
1225
Thirty-Seven in Base 5 Quinary
38
1235
Thirty-Eight in Base 5 Quinary
39
1245
Thirty-Nine in Base 5 Quinary
41
1315
Forty-One in Base 5 Quinary
42
1325
Forty-Two in Base 5 Quinary
43
1335
Forty-Three in Base 5 Quinary

## 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.

### `0.00303030303030303030303035`

The reciprocal of 40 in Base 5 Quinary.

## Palindrome?

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

The number 1305 is not a palindrome.

## Not A Prime Number

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

Forty is a composite number with 8 total factors (including 1 and itself).   See primes in Base 5 Quinary

## A Composite

Composites have more than just these two factors.

Forty is a composite number with 8 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 forty has the following 2 prime factors:

2
25
Two in Base 5 Quinary
5
105
Five in Base 5 Quinary

## Prime Factorization

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

## Base Conversions

The number forty in 35 different bases