The Number

138905

One Hundred and Thirty-Eight Thousand Nine Hundred and Five

In Base 15 Quindecimal Is

2b25515

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

138902
2b25215
One Hundred and Thirty-Eight Thousand Nine Hundred and Two in Base 15 Quindecimal
138903
2b25315
One Hundred and Thirty-Eight Thousand Nine Hundred and Three in Base 15 Quindecimal
138904
2b25415
One Hundred and Thirty-Eight Thousand Nine Hundred and Four in Base 15 Quindecimal
138906
2b25615
One Hundred and Thirty-Eight Thousand Nine Hundred and Six in Base 15 Quindecimal
138907
2b25715
One Hundred and Thirty-Eight Thousand Nine Hundred and Seven in Base 15 Quindecimal
138908
2b25815
One Hundred and Thirty-Eight Thousand Nine Hundred and Eight in Base 15 Quindecimal

Scientific Notation

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

1.38905e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005700a13b38e8ae15

The reciprocal of 138905 in Base 15 Quindecimal.

Palindrome?

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

The number 2b25515 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 five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

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

5
515
Five in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal
2137
97715
Two Thousand One Hundred and Thirty-Seven in Base 15 Quindecimal

Prime Factorization

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

5151 · d151 · 977151 = 2b25515

Base Conversions

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