# 1215

The numbers with a 15 subscript use Base 15 Quindecimal notation.

For more familiar numbers: See Seventeen in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

14
e15
Fourteen in Base 15 Quindecimal
15
1015
Fifteen in Base 15 Quindecimal
16
1115
Sixteen in Base 15 Quindecimal
18
1315
Eightteen in Base 15 Quindecimal
19
1415
Nineteen in Base 15 Quindecimal
20
1515
Twenty in Base 15 Quindecimal

## 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.

### `0.0d37e1b70d37e1a15`

The reciprocal of 17 in Base 15 Quindecimal.

## Palindrome?

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

The number 1215 is not a palindrome.

## A Prime Number

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

Seventeen is the 7th prime number.   See primes in Base 15 Quindecimal

## Not A Composite

Composites have more than just these two factors.

Seventeen is not a composite number because it has exactly two factors: One and Seventeen

## Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number seventeen has the following 1 prime factor:

17
1215
Seventeen in Base 15 Quindecimal

## Prime Factorization

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

## Base Conversions

The number seventeen in 35 different bases