The Number

31990

Thirty-One Thousand Nine Hundred and Ninety

In Base 25 Pentavigesimal Is

214f25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

31987
214c25
Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 25 Pentavigesimal
31988
214d25
Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 25 Pentavigesimal
31989
214e25
Thirty-One Thousand Nine Hundred and Eighty-Nine in Base 25 Pentavigesimal
31991
214g25
Thirty-One Thousand Nine Hundred and Ninety-One in Base 25 Pentavigesimal
31992
214h25
Thirty-One Thousand Nine Hundred and Ninety-Two in Base 25 Pentavigesimal
31993
214i25
Thirty-One Thousand Nine Hundred and Ninety-Three in Base 25 Pentavigesimal

Scientific Notation

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

3.1990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000c56jc42bkm8825

The reciprocal of 31990 in Base 25 Pentavigesimal.

Palindrome?

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

The number 214f25 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 ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand nine hundred and ninety 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 thirty-one thousand nine hundred and ninety has the following 4 prime factors:

2
225
Two in Base 25 Pentavigesimal
5
525
Five in Base 25 Pentavigesimal
7
725
Seven in Base 25 Pentavigesimal
457
i725
Four Hundred and Fifty-Seven in Base 25 Pentavigesimal

Prime Factorization

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

2251 · 5251 · 7251 · i7251 = 214f25

Base Conversions

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