The Number

139090

One Hundred and Thirty-Nine Thousand and Ninety

In Base 18 Octodecimal Is

15f5418

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

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

Nearby Numbers

Positive, nonzero integers within three units

139087
15f5118
One Hundred and Thirty-Nine Thousand and Eighty-Seven in Base 18 Octodecimal
139088
15f5218
One Hundred and Thirty-Nine Thousand and Eighty-Eight in Base 18 Octodecimal
139089
15f5318
One Hundred and Thirty-Nine Thousand and Eighty-Nine in Base 18 Octodecimal
139091
15f5518
One Hundred and Thirty-Nine Thousand and Ninety-One in Base 18 Octodecimal
139092
15f5618
One Hundred and Thirty-Nine Thousand and Ninety-Two in Base 18 Octodecimal
139093
15f5718
One Hundred and Thirty-Nine Thousand and Ninety-Three in Base 18 Octodecimal

Scientific Notation

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

1.39090e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000da9ahfabafg9c18

The reciprocal of 139090 in Base 18 Octodecimal.

Palindrome?

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

The number 15f5418 is not a palindrome.

Not A Prime Number

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

One hundred and thirty-nine thousand and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-nine thousand and ninety is a composite number with 16 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 one hundred and thirty-nine thousand and ninety has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
1987
62718
One Thousand Nine Hundred and Eighty-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

2181 · 5181 · 7181 · 627181 = 15f5418

Base Conversions

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