The Number

81040

Eighty-One Thousand and Forty

In Base 22 Duovigesimal Is

7d9e22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81037
7d9b22
Eighty-One Thousand and Thirty-Seven in Base 22 Duovigesimal
81038
7d9c22
Eighty-One Thousand and Thirty-Eight in Base 22 Duovigesimal
81039
7d9d22
Eighty-One Thousand and Thirty-Nine in Base 22 Duovigesimal
81041
7d9f22
Eighty-One Thousand and Forty-One in Base 22 Duovigesimal
81042
7d9g22
Eighty-One Thousand and Forty-Two in Base 22 Duovigesimal
81043
7d9h22
Eighty-One Thousand and Forty-Three in Base 22 Duovigesimal

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.

0.0002jd17bd53dd3j22

The reciprocal of 81040 in Base 22 Duovigesimal.

Palindrome?

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

The number 7d9e22 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 22 Duovigesimal

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
222
Two in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
1013
22122
One Thousand and Thirteen in Base 22 Duovigesimal

Prime Factorization

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

2224 · 5221 · 221221 = 7d9e22

Base Conversions

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