The Number

181009

One Hundred and Eighty-One Thousand and Nine

In Base 18 Octodecimal Is

1d0c118

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

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

Nearby Numbers

Positive, nonzero integers within three units

181006
1d0bg18
One Hundred and Eighty-One Thousand and Six in Base 18 Octodecimal
181007
1d0bh18
One Hundred and Eighty-One Thousand and Seven in Base 18 Octodecimal
181008
1d0c018
One Hundred and Eighty-One Thousand and Eight in Base 18 Octodecimal
181010
1d0c218
One Hundred and Eighty-One Thousand and Ten in Base 18 Octodecimal
181011
1d0c318
One Hundred and Eighty-One Thousand and Eleven in Base 18 Octodecimal
181012
1d0c418
One Hundred and Eighty-One Thousand and Twelve in Base 18 Octodecimal

Scientific Notation

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

1.81009e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a7g4d381d043c18

The reciprocal of 181009 in Base 18 Octodecimal.

Palindrome?

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

The number 1d0c118 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 eighty-one thousand and nine is a composite number with 4 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 eighty-one thousand and nine 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 eighty-one thousand and nine has the following 2 prime factors:

31
1d18
Thirty-One in Base 18 Octodecimal
5839
100718
Five Thousand Eight Hundred and Thirty-Nine in Base 18 Octodecimal

Prime Factorization

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

1d181 · 1007181 = 1d0c118

Base Conversions

The number one hundred and eighty-one thousand and nine in 35 different bases