The Number

31904

Thirty-One Thousand Nine Hundred and Four

In Base 21 Unovigesimal Is

397521

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

31901
397221
Thirty-One Thousand Nine Hundred and One in Base 21 Unovigesimal
31902
397321
Thirty-One Thousand Nine Hundred and Two in Base 21 Unovigesimal
31903
397421
Thirty-One Thousand Nine Hundred and Three in Base 21 Unovigesimal
31905
397621
Thirty-One Thousand Nine Hundred and Five in Base 21 Unovigesimal
31906
397721
Thirty-One Thousand Nine Hundred and Six in Base 21 Unovigesimal
31907
397821
Thirty-One Thousand Nine Hundred and Seven in Base 21 Unovigesimal

Scientific Notation

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

3.1904e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00062057j5fce0821

The reciprocal of 31904 in Base 21 Unovigesimal.

Palindrome?

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

The number 397521 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Thirty-one thousand nine hundred and four is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand nine hundred and four 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 thirty-one thousand nine hundred and four has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
997
25a21
Nine Hundred and Ninety-Seven in Base 21 Unovigesimal

Prime Factorization

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

2215 · 25a211 = 397521

Base Conversions

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