The Number

138121

One Hundred and Thirty-Eight Thousand One Hundred and Twenty-One

In Base 16 Hexadecimal Is

21b8916

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

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

Nearby Numbers

Positive, nonzero integers within three units

138118
21b8616
One Hundred and Thirty-Eight Thousand One Hundred and Eightteen in Base 16 Hexadecimal
138119
21b8716
One Hundred and Thirty-Eight Thousand One Hundred and Nineteen in Base 16 Hexadecimal
138120
21b8816
One Hundred and Thirty-Eight Thousand One Hundred and Twenty in Base 16 Hexadecimal
138122
21b8a16
One Hundred and Thirty-Eight Thousand One Hundred and Twenty-Two in Base 16 Hexadecimal
138123
21b8b16
One Hundred and Thirty-Eight Thousand One Hundred and Twenty-Three in Base 16 Hexadecimal
138124
21b8c16
One Hundred and Thirty-Eight Thousand One Hundred and Twenty-Four in Base 16 Hexadecimal

Scientific Notation

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

1.38121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00007977afb56ad2cc16

The reciprocal of 138121 in Base 16 Hexadecimal.

Palindrome?

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

The number 21b8916 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 one hundred and twenty-one 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 one hundred and twenty-one 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 one hundred and twenty-one has the following 2 prime factors:

37
2516
Thirty-Seven in Base 16 Hexadecimal
3733
e9516
Three Thousand Seven Hundred and Thirty-Three in Base 16 Hexadecimal

Prime Factorization

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

25161 · e95161 = 21b8916

Base Conversions

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