The Number

31990

Thirty-One Thousand Nine Hundred and Ninety

In Base 11 Undecimal Is

2204211

The numbers with a 11 subscript use Base 11 Undecimal 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
2203a11
Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 11 Undecimal
31988
2204011
Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 11 Undecimal
31989
2204111
Thirty-One Thousand Nine Hundred and Eighty-Nine in Base 11 Undecimal
31991
2204311
Thirty-One Thousand Nine Hundred and Ninety-One in Base 11 Undecimal
31992
2204411
Thirty-One Thousand Nine Hundred and Ninety-Two in Base 11 Undecimal
31993
2204511
Thirty-One Thousand Nine Hundred and Ninety-Three in Base 11 Undecimal

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.

0.000050418999082367a11

The reciprocal of 31990 in Base 11 Undecimal.

Palindrome?

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

The number 2204211 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 11 Undecimal

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
211
Two in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
7
711
Seven in Base 11 Undecimal
457
38611
Four Hundred and Fifty-Seven in Base 11 Undecimal

Prime Factorization

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

2111 · 5111 · 7111 · 386111 = 2204211

Base Conversions

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