The Number

81013

Eighty-One Thousand and Thirteen

In Base 18 Octodecimal Is

dg0d18

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

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

Nearby Numbers

Positive, nonzero integers within three units

81010
dg0a18
Eighty-One Thousand and Ten in Base 18 Octodecimal
81011
dg0b18
Eighty-One Thousand and Eleven in Base 18 Octodecimal
81012
dg0c18
Eighty-One Thousand and Twelve in Base 18 Octodecimal
81014
dg0e18
Eighty-One Thousand and Fourteen in Base 18 Octodecimal
81015
dg0f18
Eighty-One Thousand and Fifteen in Base 18 Octodecimal
81016
dg0g18
Eighty-One Thousand and Sixteen in Base 18 Octodecimal

Scientific Notation

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

8.1013e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000155f112g294618

The reciprocal of 81013 in Base 18 Octodecimal.

Palindrome?

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

The number dg0d18 is not a palindrome.

A Prime Number

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

Eighty-one thousand and thirteen is the 7927th prime number.   See primes in Base 18 Octodecimal

Not A Composite

Composites have more than just these two factors.

Eighty-One Thousand and Thirteen is not a composite number because it has exactly two factors: One and Eighty-One Thousand and Thirteen

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eighty-one thousand and thirteen has the following 1 prime factor:

81013
dg0d18
Eighty-One Thousand and Thirteen in Base 18 Octodecimal

Prime Factorization

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

dg0d181 = dg0d18

Base Conversions

The number eighty-one thousand and thirteen in 35 different bases