The Number

81291

Eighty-One Thousand Two Hundred and Ninety-One

In Base 22 Duovigesimal Is

7dl122

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

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

Nearby Numbers

Positive, nonzero integers within three units

81288
7dkk22
Eighty-One Thousand Two Hundred and Eighty-Eight in Base 22 Duovigesimal
81289
7dkl22
Eighty-One Thousand Two Hundred and Eighty-Nine in Base 22 Duovigesimal
81290
7dl022
Eighty-One Thousand Two Hundred and Ninety in Base 22 Duovigesimal
81292
7dl222
Eighty-One Thousand Two Hundred and Ninety-Two in Base 22 Duovigesimal
81293
7dl322
Eighty-One Thousand Two Hundred and Ninety-Three in Base 22 Duovigesimal
81294
7dl422
Eighty-One Thousand Two Hundred and Ninety-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.

8.1291e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002j8g6fk4j3ah322

The reciprocal of 81291 in Base 22 Duovigesimal.

Palindrome?

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

The number 7dl122 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 two hundred and ninety-one is a composite number with 16 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 two hundred and ninety-one is a composite number with 16 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 two hundred and ninety-one has the following 3 prime factors:

3
322
Three in Base 22 Duovigesimal
7
722
Seven in Base 22 Duovigesimal
79
3d22
Seventy-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

3221 · 7223 · 3d221 = 7dl122

Base Conversions

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