The Number

81109

Eighty-One Thousand One Hundred and Nine

In Base 18 Octodecimal Is

dg6118

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

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

Nearby Numbers

Positive, nonzero integers within three units

81106
dg5g18
Eighty-One Thousand One Hundred and Six in Base 18 Octodecimal
81107
dg5h18
Eighty-One Thousand One Hundred and Seven in Base 18 Octodecimal
81108
dg6018
Eighty-One Thousand One Hundred and Eight in Base 18 Octodecimal
81110
dg6218
Eighty-One Thousand One Hundred and Ten in Base 18 Octodecimal
81111
dg6318
Eighty-One Thousand One Hundred and Eleven in Base 18 Octodecimal
81112
dg6418
Eighty-One Thousand One Hundred 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.

8.1109e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001556212caf463418

The reciprocal of 81109 in Base 18 Octodecimal.

Palindrome?

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

The number dg6118 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand one hundred 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.

Eighty-one thousand one hundred 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 eighty-one thousand one hundred and nine has the following 2 prime factors:

7
718
Seven in Base 18 Octodecimal
11587
1hdd18
Eleven Thousand Five Hundred and Eighty-Seven in Base 18 Octodecimal

Prime Factorization

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

7181 · 1hdd181 = dg6118

Base Conversions

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