The Number

138999

One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-Nine

In Base 16 Hexadecimal Is

21ef716

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

138996
21ef416
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-Six in Base 16 Hexadecimal
138997
21ef516
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-Seven in Base 16 Hexadecimal
138998
21ef616
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-Eight in Base 16 Hexadecimal
139000
21ef816
One Hundred and Thirty-Nine Thousand in Base 16 Hexadecimal
139001
21ef916
One Hundred and Thirty-Nine Thousand and One in Base 16 Hexadecimal
139002
21efa16
One Hundred and Thirty-Nine Thousand and Two in Base 16 Hexadecimal

Scientific Notation

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

1.38999e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000078b34480e6521416

The reciprocal of 138999 in Base 16 Hexadecimal.

Palindrome?

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

The number 21ef716 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-eight thousand nine hundred and ninety-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 16 Hexadecimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-eight thousand nine hundred and ninety-nine 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 one hundred and thirty-eight thousand nine hundred and ninety-nine has the following 3 prime factors:

3
316
Three in Base 16 Hexadecimal
7
716
Seven in Base 16 Hexadecimal
6619
19db16
Six Thousand Six Hundred and Nineteen in Base 16 Hexadecimal

Prime Factorization

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

3161 · 7161 · 19db161 = 21ef716

Base Conversions

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