The Number

81040

Eighty-One Thousand and Forty

In Base 20 Vigesimal Is

a2c020

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

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

Nearby Numbers

Positive, nonzero integers within three units

81037
a2bh20
Eighty-One Thousand and Thirty-Seven in Base 20 Vigesimal
81038
a2bi20
Eighty-One Thousand and Thirty-Eight in Base 20 Vigesimal
81039
a2bj20
Eighty-One Thousand and Thirty-Nine in Base 20 Vigesimal
81041
a2c120
Eighty-One Thousand and Forty-One in Base 20 Vigesimal
81042
a2c220
Eighty-One Thousand and Forty-Two in Base 20 Vigesimal
81043
a2c320
Eighty-One Thousand and Forty-Three in Base 20 Vigesimal

Scientific Notation

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

8.1040e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j9ed7e7h32fd20

The reciprocal of 81040 in Base 20 Vigesimal.

Palindrome?

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

The number a2c020 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 forty is a composite number with 20 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 forty is a composite number with 20 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 forty has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
1013
2ad20
One Thousand and 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

2204 · 5201 · 2ad201 = a2c020

Base Conversions

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