The Number

81001

Eighty-One Thousand and One

In Base 22 Duovigesimal Is

7d7j22

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

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

Nearby Numbers

Positive, nonzero integers within three units

80998
7d7g22
Eighty Thousand Nine Hundred and Ninety-Eight in Base 22 Duovigesimal
80999
7d7h22
Eighty Thousand Nine Hundred and Ninety-Nine in Base 22 Duovigesimal
81000
7d7i22
Eighty-One Thousand in Base 22 Duovigesimal
81002
7d7k22
Eighty-One Thousand and Two in Base 22 Duovigesimal
81003
7d7l22
Eighty-One Thousand and Three in Base 22 Duovigesimal
81004
7d8022
Eighty-One Thousand and Four in Base 22 Duovigesimal

Scientific Notation

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

8.1001e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002jdg3c560d2ee22

The reciprocal of 81001 in Base 22 Duovigesimal.

Palindrome?

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

The number 7d7j22 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 one is the 7926th prime number.   See primes in Base 22 Duovigesimal

Not A Composite

Composites have more than just these two factors.

Eighty-One Thousand and One is not a composite number because it has exactly two factors: One and Eighty-One Thousand and 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 one has the following 1 prime factor:

81001
7d7j22
Eighty-One Thousand and One in Base 22 Duovigesimal

Prime Factorization

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

7d7j221 = 7d7j22

Base Conversions

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