The Number

81081

Eighty-One Thousand and Eighty-One

In Base 20 Vigesimal Is

a2e120

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81078
a2di20
Eighty-One Thousand and Seventy-Eight in Base 20 Vigesimal
81079
a2dj20
Eighty-One Thousand and Seventy-Nine in Base 20 Vigesimal
81080
a2e020
Eighty-One Thousand and Eighty in Base 20 Vigesimal
81082
a2e220
Eighty-One Thousand and Eighty-Two in Base 20 Vigesimal
81083
a2e320
Eighty-One Thousand and Eighty-Three in Base 20 Vigesimal
81084
a2e420
Eighty-One Thousand and Eighty-Four in Base 20 Vigesimal

Scientific Notation

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

8.1081e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j96dcjcae6h920

The reciprocal of 81081 in Base 20 Vigesimal.

Palindrome?

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

The number a2e120 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-one is a composite number with 40 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand and eighty-one is a composite number with 40 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-one has the following 4 prime factors:

3
320
Three in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
11
b20
Eleven in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal

Prime Factorization

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

3204 · 7201 · b201 · d201 = a2e120

Base Conversions

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