The Number

81041

Eighty-One Thousand and Forty-One

In Base 21 Unovigesimal Is

8fg221

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81038
8ffk21
Eighty-One Thousand and Thirty-Eight in Base 21 Unovigesimal
81039
8fg021
Eighty-One Thousand and Thirty-Nine in Base 21 Unovigesimal
81040
8fg121
Eighty-One Thousand and Forty in Base 21 Unovigesimal
81042
8fg321
Eighty-One Thousand and Forty-Two in Base 21 Unovigesimal
81043
8fg421
Eighty-One Thousand and Forty-Three in Base 21 Unovigesimal
81044
8fg521
Eighty-One Thousand and Forty-Four in Base 21 Unovigesimal

Scientific Notation

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

8.1041e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00028868daid87k21

The reciprocal of 81041 in Base 21 Unovigesimal.

Palindrome?

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

The number 8fg221 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eighty-one thousand and forty-one is the 7932nd prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Eighty-One Thousand and Forty-One is not a composite number because it has exactly two factors: One and Eighty-One Thousand and Forty-One

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-one has the following 1 prime factor:

81041
8fg221
Eighty-One Thousand and Forty-One in Base 21 Unovigesimal

Prime Factorization

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

8fg2211 = 8fg221

Base Conversions

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