The Number

6640

Six Thousand Six Hundred and Forty

In Base 15 Quindecimal Is

1e7a15

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

For more familiar numbers: See Six Thousand Six Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

6637
1e7715
Six Thousand Six Hundred and Thirty-Seven in Base 15 Quindecimal
6638
1e7815
Six Thousand Six Hundred and Thirty-Eight in Base 15 Quindecimal
6639
1e7915
Six Thousand Six Hundred and Thirty-Nine in Base 15 Quindecimal
6641
1e7b15
Six Thousand Six Hundred and Forty-One in Base 15 Quindecimal
6642
1e7c15
Six Thousand Six Hundred and Forty-Two in Base 15 Quindecimal
6643
1e7d15
Six Thousand Six Hundred and Forty-Three in Base 15 Quindecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

6.640e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0007956c785318d5415

The reciprocal of 6640 in Base 15 Quindecimal.

Palindrome?

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

The number 1e7a15 is not a palindrome.

Not A Prime Number

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

Six thousand six hundred and forty is a composite number with 20 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Six thousand six hundred and forty is a composite number with 20 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 six thousand six hundred and forty has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
83
5815
Eighty-Three in Base 15 Quindecimal

Prime Factorization

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

2154 · 5151 · 58151 = 1e7a15

Base Conversions

The number six thousand six hundred and forty in 35 different bases