The Number

6642

Six Thousand Six Hundred and Forty-Two

In Base 18 Octodecimal Is

129018

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

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

Nearby Numbers

Positive, nonzero integers within three units

6639
128f18
Six Thousand Six Hundred and Thirty-Nine in Base 18 Octodecimal
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
6643
129118
Six Thousand Six Hundred and Forty-Three 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

Scientific Notation

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

6.642e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000fe8e0fe8e0fe918

The reciprocal of 6642 in Base 18 Octodecimal.

Palindrome?

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

The number 129018 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-two is a composite number with 20 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-two 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-two has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
41
2518
Forty-One in Base 18 Octodecimal

Prime Factorization

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

2181 · 3184 · 25181 = 129018

Base Conversions

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