The Number

138691

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

In Base 15 Quindecimal Is

2b16115

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

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

Nearby Numbers

Positive, nonzero integers within three units

138688
2b15d15
One Hundred and Thirty-Eight Thousand Six Hundred and Eighty-Eight in Base 15 Quindecimal
138689
2b15e15
One Hundred and Thirty-Eight Thousand Six Hundred and Eighty-Nine in Base 15 Quindecimal
138690
2b16015
One Hundred and Thirty-Eight Thousand Six Hundred and Ninety in Base 15 Quindecimal
138692
2b16215
One Hundred and Thirty-Eight Thousand Six Hundred and Ninety-Two in Base 15 Quindecimal
138693
2b16315
One Hundred and Thirty-Eight Thousand Six Hundred and Ninety-Three in Base 15 Quindecimal
138694
2b16415
One Hundred and Thirty-Eight Thousand Six Hundred and Ninety-Four in Base 15 Quindecimal

Scientific Notation

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

1.38691e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000571e21cc80341315

The reciprocal of 138691 in Base 15 Quindecimal.

Palindrome?

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

The number 2b16115 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 six hundred and ninety-one is a composite number with 4 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 six hundred and ninety-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 six hundred and ninety-one has the following 2 prime factors:

7
715
Seven in Base 15 Quindecimal
19813
5d0d15
Nineteen Thousand Eight Hundred and Thirteen in Base 15 Quindecimal

Prime Factorization

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

7151 · 5d0d151 = 2b16115

Base Conversions

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