The Number

6643

Six Thousand Six Hundred and Forty-Three

In Base 18 Octodecimal Is

129118

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

6640
128g18
Six Thousand Six Hundred and Forty in Base 18 Octodecimal
6641
128h18
Six Thousand Six Hundred and Forty-One in Base 18 Octodecimal
6642
129018
Six Thousand Six Hundred and Forty-Two in Base 18 Octodecimal
6644
129218
Six Thousand Six Hundred and Forty-Four in Base 18 Octodecimal
6645
129318
Six Thousand Six Hundred and Forty-Five in Base 18 Octodecimal
6646
129418
Six Thousand Six Hundred and Forty-Six in Base 18 Octodecimal

Scientific Notation

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

6.643e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000fe8032368b1e18

The reciprocal of 6643 in Base 18 Octodecimal.

Palindrome?

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

The number 129118 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-three is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Six thousand six hundred and forty-three 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 six thousand six hundred and forty-three has the following 3 prime factors:

7
718
Seven in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
73
4118
Seventy-Three in Base 18 Octodecimal

Prime Factorization

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

7181 · d181 · 41181 = 129118

Base Conversions

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