The Number

81405

Eighty-One Thousand Four Hundred and Five

In Base 22 Duovigesimal Is

7e4522

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

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

Nearby Numbers

Positive, nonzero integers within three units

81402
7e4222
Eighty-One Thousand Four Hundred and Two in Base 22 Duovigesimal
81403
7e4322
Eighty-One Thousand Four Hundred and Three in Base 22 Duovigesimal
81404
7e4422
Eighty-One Thousand Four Hundred and Four in Base 22 Duovigesimal
81406
7e4622
Eighty-One Thousand Four Hundred and Six in Base 22 Duovigesimal
81407
7e4722
Eighty-One Thousand Four Hundred and Seven in Base 22 Duovigesimal
81408
7e4822
Eighty-One Thousand Four Hundred and Eight in Base 22 Duovigesimal

Scientific Notation

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

8.1405e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002j6h784f4lkka22

The reciprocal of 81405 in Base 22 Duovigesimal.

Palindrome?

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

The number 7e4522 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 four hundred and five is a composite number with 24 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 four hundred and five is a composite number with 24 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 four hundred and five has the following 3 prime factors:

3
322
Three in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
67
3122
Sixty-Seven in Base 22 Duovigesimal

Prime Factorization

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

3225 · 5221 · 31221 = 7e4522

Base Conversions

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