The Number

131521

One Hundred and Thirty-One Thousand Five Hundred and Twenty-One

In Base 18 Octodecimal Is

149gd18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

131518
149ga18
One Hundred and Thirty-One Thousand Five Hundred and Eightteen in Base 18 Octodecimal
131519
149gb18
One Hundred and Thirty-One Thousand Five Hundred and Nineteen in Base 18 Octodecimal
131520
149gc18
One Hundred and Thirty-One Thousand Five Hundred and Twenty in Base 18 Octodecimal
131522
149ge18
One Hundred and Thirty-One Thousand Five Hundred and Twenty-Two in Base 18 Octodecimal
131523
149gf18
One Hundred and Thirty-One Thousand Five Hundred and Twenty-Three in Base 18 Octodecimal
131524
149gg18
One Hundred and Thirty-One Thousand Five Hundred and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

1.31521e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000e6agaec5cdb418

The reciprocal of 131521 in Base 18 Octodecimal.

Palindrome?

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

The number 149gd18 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-one thousand five hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-one thousand five hundred and twenty-one 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-one thousand five hundred and twenty-one has the following 3 prime factors:

13
d18
Thirteen in Base 18 Octodecimal
67
3d18
Sixty-Seven in Base 18 Octodecimal
151
8718
One Hundred and Fifty-One in Base 18 Octodecimal

Prime Factorization

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

d181 · 3d181 · 87181 = 149gd18

Base Conversions

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