The Number

138909

One Hundred and Thirty-Eight Thousand Nine Hundred and Nine

In Base 16 Hexadecimal Is

21e9d16

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 Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138906
21e9a16
One Hundred and Thirty-Eight Thousand Nine Hundred and Six in Base 16 Hexadecimal
138907
21e9b16
One Hundred and Thirty-Eight Thousand Nine Hundred and Seven in Base 16 Hexadecimal
138908
21e9c16
One Hundred and Thirty-Eight Thousand Nine Hundred and Eight in Base 16 Hexadecimal
138910
21e9e16
One Hundred and Thirty-Eight Thousand Nine Hundred and Ten in Base 16 Hexadecimal
138911
21e9f16
One Hundred and Thirty-Eight Thousand Nine Hundred and Eleven in Base 16 Hexadecimal
138912
21ea016
One Hundred and Thirty-Eight Thousand Nine Hundred and Twelve in Base 16 Hexadecimal

Scientific Notation

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

1.38909e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000078c7499440462c16

The reciprocal of 138909 in Base 16 Hexadecimal.

Palindrome?

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

The number 21e9d16 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 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 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 nine has the following 3 prime factors:

3
316
Three in Base 16 Hexadecimal
19
1316
Nineteen in Base 16 Hexadecimal
2437
98516
Two Thousand Four Hundred and Thirty-Seven 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 · 13161 · 985161 = 21e9d16

Base Conversions

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