The Number

81801

Eighty-One Thousand Eight Hundred and One

In Base 22 Duovigesimal Is

7f0522

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

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

Nearby Numbers

Positive, nonzero integers within three units

81798
7f0222
Eighty-One Thousand Seven Hundred and Ninety-Eight in Base 22 Duovigesimal
81799
7f0322
Eighty-One Thousand Seven Hundred and Ninety-Nine in Base 22 Duovigesimal
81800
7f0422
Eighty-One Thousand Eight Hundred in Base 22 Duovigesimal
81802
7f0622
Eighty-One Thousand Eight Hundred and Two in Base 22 Duovigesimal
81803
7f0722
Eighty-One Thousand Eight Hundred and Three in Base 22 Duovigesimal
81804
7f0822
Eighty-One Thousand Eight Hundred 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.

8.1801e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002j00lll7elgli22

The reciprocal of 81801 in Base 22 Duovigesimal.

Palindrome?

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

The number 7f0522 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 eight hundred and one is a composite number with 12 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 eight hundred and one is a composite number with 12 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 eight hundred and one has the following 3 prime factors:

3
322
Three in Base 22 Duovigesimal
61
2h22
Sixty-One in Base 22 Duovigesimal
149
6h22
One Hundred and Forty-Nine in Base 22 Duovigesimal

Prime Factorization

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

3222 · 2h221 · 6h221 = 7f0522

Base Conversions

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