The Number

138123

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

In Base 16 Hexadecimal Is

21b8b16

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-Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138120
21b8816
One Hundred and Thirty-Eight Thousand One Hundred and Twenty in Base 16 Hexadecimal
138121
21b8916
One Hundred and Thirty-Eight Thousand One Hundred and Twenty-One in Base 16 Hexadecimal
138122
21b8a16
One Hundred and Thirty-Eight Thousand One Hundred and Twenty-Two in Base 16 Hexadecimal
138124
21b8c16
One Hundred and Thirty-Eight Thousand One Hundred and Twenty-Four in Base 16 Hexadecimal
138125
21b8d16
One Hundred and Thirty-Eight Thousand One Hundred and Twenty-Five in Base 16 Hexadecimal
138126
21b8e16
One Hundred and Thirty-Eight Thousand One Hundred and Twenty-Six in Base 16 Hexadecimal

Scientific Notation

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

1.38123e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000079773c712018816

The reciprocal of 138123 in Base 16 Hexadecimal.

Palindrome?

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

The number 21b8b16 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-three is a composite number with 12 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-three is a composite number with 12 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-three has the following 3 prime factors:

3
316
Three in Base 16 Hexadecimal
103
6716
One Hundred and Three in Base 16 Hexadecimal
149
9516
One Hundred and Forty-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

3162 · 67161 · 95161 = 21b8b16

Base Conversions

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