The Number

81904

Eighty-One Thousand Nine Hundred and Four

In Base 31 Untrigesimal Is

2n7231

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81901
2n6u31
Eighty-One Thousand Nine Hundred and One in Base 31 Untrigesimal
81902
2n7031
Eighty-One Thousand Nine Hundred and Two in Base 31 Untrigesimal
81903
2n7131
Eighty-One Thousand Nine Hundred and Three in Base 31 Untrigesimal
81905
2n7331
Eighty-One Thousand Nine Hundred and Five in Base 31 Untrigesimal
81906
2n7431
Eighty-One Thousand Nine Hundred and Six in Base 31 Untrigesimal
81907
2n7531
Eighty-One Thousand Nine Hundred and Seven in Base 31 Untrigesimal

Scientific Notation

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

8.1904e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b8grtc7ctng31

The reciprocal of 81904 in Base 31 Untrigesimal.

Palindrome?

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

The number 2n7231 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 nine hundred and four is a composite number with 10 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand nine hundred and four is a composite number with 10 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 nine hundred and four has the following 2 prime factors:

2
231
Two in Base 31 Untrigesimal
5119
5a431
Five Thousand One Hundred and Nineteen in Base 31 Untrigesimal

Prime Factorization

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

2314 · 5a4311 = 2n7231

Base Conversions

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