The Number

81180

Eighty-One Thousand One Hundred and Eighty

In Base 18 Octodecimal Is

dga018

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

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

Nearby Numbers

Positive, nonzero integers within three units

81177
dg9f18
Eighty-One Thousand One Hundred and Seventy-Seven in Base 18 Octodecimal
81178
dg9g18
Eighty-One Thousand One Hundred and Seventy-Eight in Base 18 Octodecimal
81179
dg9h18
Eighty-One Thousand One Hundred and Seventy-Nine in Base 18 Octodecimal
81181
dga118
Eighty-One Thousand One Hundred and Eighty-One in Base 18 Octodecimal
81182
dga218
Eighty-One Thousand One Hundred and Eighty-Two in Base 18 Octodecimal
81183
dga318
Eighty-One Thousand One Hundred and Eighty-Three in Base 18 Octodecimal

Scientific Notation

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

8.1180e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000154h9445574g1418

The reciprocal of 81180 in Base 18 Octodecimal.

Palindrome?

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

The number dga018 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 eighty is a composite number with 72 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 eighty is a composite number with 72 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 eighty has the following 5 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
41
2518
Forty-One in Base 18 Octodecimal

Prime Factorization

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

2182 · 3182 · 5181 · b181 · 25181 = dga018

Base Conversions

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