The Number

31990

Thirty-One Thousand Nine Hundred and Ninety

In Base 28 Octovigesimal Is

1cme28

The numbers with a 28 subscript use Base 28 Octovigesimal 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
1cmb28
Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 28 Octovigesimal
31988
1cmc28
Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 28 Octovigesimal
31989
1cmd28
Thirty-One Thousand Nine Hundred and Eighty-Nine in Base 28 Octovigesimal
31991
1cmf28
Thirty-One Thousand Nine Hundred and Ninety-One in Base 28 Octovigesimal
31992
1cmg28
Thirty-One Thousand Nine Hundred and Ninety-Two in Base 28 Octovigesimal
31993
1cmh28
Thirty-One Thousand Nine Hundred and Ninety-Three in Base 28 Octovigesimal

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.

0.000j5rln21rg9a28

The reciprocal of 31990 in Base 28 Octovigesimal.

Palindrome?

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

The number 1cme28 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 28 Octovigesimal

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
228
Two in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal
7
728
Seven in Base 28 Octovigesimal
457
g928
Four Hundred and Fifty-Seven in Base 28 Octovigesimal

Prime Factorization

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

2281 · 5281 · 7281 · g9281 = 1cme28

Base Conversions

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