The Number

31009

Thirty-One Thousand and Nine

In Base 18 Octodecimal Is

55cd18

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

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

Nearby Numbers

Positive, nonzero integers within three units

31006
55ca18
Thirty-One Thousand and Six in Base 18 Octodecimal
31007
55cb18
Thirty-One Thousand and Seven in Base 18 Octodecimal
31008
55cc18
Thirty-One Thousand and Eight in Base 18 Octodecimal
31010
55ce18
Thirty-One Thousand and Ten in Base 18 Octodecimal
31011
55cf18
Thirty-One Thousand and Eleven in Base 18 Octodecimal
31012
55cg18
Thirty-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.

3.1009e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00036gf57b9hhh4818

The reciprocal of 31009 in Base 18 Octodecimal.

Palindrome?

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

The number 55cd18 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Thirty-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.

Thirty-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 thirty-one thousand and nine has the following 2 prime factors:

11
b18
Eleven in Base 18 Octodecimal
2819
8cb18
Two Thousand Eight Hundred and Nineteen in Base 18 Octodecimal

Prime Factorization

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

b181 · 8cb181 = 55cd18

Base Conversions

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