The Number

181009

One Hundred and Eighty-One Thousand and Nine

In Base 20 Vigesimal Is

12ca920

The numbers with a 20 subscript use Base 20 Vigesimal 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
12ca620
One Hundred and Eighty-One Thousand and Six in Base 20 Vigesimal
181007
12ca720
One Hundred and Eighty-One Thousand and Seven in Base 20 Vigesimal
181008
12ca820
One Hundred and Eighty-One Thousand and Eight in Base 20 Vigesimal
181010
12caa20
One Hundred and Eighty-One Thousand and Ten in Base 20 Vigesimal
181011
12cab20
One Hundred and Eighty-One Thousand and Eleven in Base 20 Vigesimal
181012
12cac20
One Hundred and Eighty-One Thousand and Twelve in Base 20 Vigesimal

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.

0.0000hdb98cd9e5i320

The reciprocal of 181009 in Base 20 Vigesimal.

Palindrome?

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

The number 12ca920 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 20 Vigesimal

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
1b20
Thirty-One in Base 20 Vigesimal
5839
ebj20
Five Thousand Eight Hundred and Thirty-Nine in Base 20 Vigesimal

Prime Factorization

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

1b201 · ebj201 = 12ca920

Base Conversions

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