The Number

81940

Eighty-One Thousand Nine Hundred and Forty

In Base 18 Octodecimal Is

e0g418

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

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

Nearby Numbers

Positive, nonzero integers within three units

81937
e0g118
Eighty-One Thousand Nine Hundred and Thirty-Seven in Base 18 Octodecimal
81938
e0g218
Eighty-One Thousand Nine Hundred and Thirty-Eight in Base 18 Octodecimal
81939
e0g318
Eighty-One Thousand Nine Hundred and Thirty-Nine in Base 18 Octodecimal
81941
e0g518
Eighty-One Thousand Nine Hundred and Forty-One in Base 18 Octodecimal
81942
e0g618
Eighty-One Thousand Nine Hundred and Forty-Two in Base 18 Octodecimal
81943
e0g718
Eighty-One Thousand Nine Hundred and Forty-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.

8.1940e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001511a30e36cbh18

The reciprocal of 81940 in Base 18 Octodecimal.

Palindrome?

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

The number e0g418 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 nine hundred and forty is a composite number with 24 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 nine hundred and forty is a composite number with 24 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 nine hundred and forty has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
241
d718
Two Hundred and 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 · 5181 · h181 · d7181 = e0g418

Base Conversions

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