The Number

81087

Eighty-One Thousand and Eighty-Seven

In Base 18 Octodecimal Is

dg4f18

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

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

Nearby Numbers

Positive, nonzero integers within three units

81084
dg4c18
Eighty-One Thousand and Eighty-Four in Base 18 Octodecimal
81085
dg4d18
Eighty-One Thousand and Eighty-Five in Base 18 Octodecimal
81086
dg4e18
Eighty-One Thousand and Eighty-Six in Base 18 Octodecimal
81088
dg4g18
Eighty-One Thousand and Eighty-Eight in Base 18 Octodecimal
81089
dg4h18
Eighty-One Thousand and Eighty-Nine in Base 18 Octodecimal
81090
dg5018
Eighty-One Thousand and Ninety in Base 18 Octodecimal

Scientific Notation

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

8.1087e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00015582gc19dch0g18

The reciprocal of 81087 in Base 18 Octodecimal.

Palindrome?

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

The number dg4f18 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 and eighty-seven is a composite number with 8 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 and eighty-seven is a composite number with 8 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 and eighty-seven has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
151
8718
One Hundred and Fifty-One in Base 18 Octodecimal
179
9h18
One Hundred and Seventy-Nine in Base 18 Octodecimal

Prime Factorization

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

3181 · 87181 · 9h181 = dg4f18

Base Conversions

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