The Number

138998

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

In Base 16 Hexadecimal Is

21ef616

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-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138995
21ef316
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-Five in Base 16 Hexadecimal
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
138999
21ef716
One Hundred and Thirty-Eight Thousand Nine Hundred and Ninety-Nine 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

Scientific Notation

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

1.38998e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000078b37d698ee8b416

The reciprocal of 138998 in Base 16 Hexadecimal.

Palindrome?

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

The number 21ef616 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-eight is a composite number with 4 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-eight is a composite number with 4 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-eight has the following 2 prime factors:

2
216
Two in Base 16 Hexadecimal
69499
10f7b16
Sixty-Nine Thousand Four Hundred and Ninety-Nine in Base 16 Hexadecimal

Prime Factorization

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

2161 · 10f7b161 = 21ef616

Base Conversions

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