The Number

31990

Thirty-One Thousand Nine Hundred and Ninety

In Base 20 Vigesimal Is

3jja20

The numbers with a 20 subscript use Base 20 Vigesimal 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
3jj720
Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 20 Vigesimal
31988
3jj820
Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 20 Vigesimal
31989
3jj920
Thirty-One Thousand Nine Hundred and Eighty-Nine in Base 20 Vigesimal
31991
3jjb20
Thirty-One Thousand Nine Hundred and Ninety-One in Base 20 Vigesimal
31992
3jjc20
Thirty-One Thousand Nine Hundred and Ninety-Two in Base 20 Vigesimal
31993
3jjd20
Thirty-One Thousand Nine Hundred and Ninety-Three in Base 20 Vigesimal

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.

0.000500ca1b53i2jg20

The reciprocal of 31990 in Base 20 Vigesimal.

Palindrome?

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

The number 3jja20 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 20 Vigesimal

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
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
457
12h20
Four Hundred and Fifty-Seven in Base 20 Vigesimal

Prime Factorization

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

2201 · 5201 · 7201 · 12h201 = 3jja20

Base Conversions

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