The Number

20139

Twenty Thousand One Hundred and Thirty-Nine

In Base 18 Octodecimal Is

382f18

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

For more familiar numbers: See Twenty Thousand One Hundred and Thirty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20136
382c18
Twenty Thousand One Hundred and Thirty-Six in Base 18 Octodecimal
20137
382d18
Twenty Thousand One Hundred and Thirty-Seven in Base 18 Octodecimal
20138
382e18
Twenty Thousand One Hundred and Thirty-Eight in Base 18 Octodecimal
20140
382g18
Twenty Thousand One Hundred and Forty in Base 18 Octodecimal
20141
382h18
Twenty Thousand One Hundred and Forty-One in Base 18 Octodecimal
20142
383018
Twenty Thousand One Hundred and Forty-Two in Base 18 Octodecimal

Scientific Notation

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

2.0139e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00053efd07a7237e18

The reciprocal of 20139 in Base 18 Octodecimal.

Palindrome?

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

The number 382f18 is not a palindrome.

Not A Prime Number

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

Twenty thousand one hundred and thirty-nine is a composite number with 12 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand one hundred and thirty-nine is a composite number with 12 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 twenty thousand one hundred and thirty-nine has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
137
7b18
One Hundred and Thirty-Seven in Base 18 Octodecimal

Prime Factorization

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

3181 · 7182 · 7b181 = 382f18

Base Conversions

The number twenty thousand one hundred and thirty-nine in 35 different bases