The Number

31990

Thirty-One Thousand Nine Hundred and Ninety

In Base 22 Duovigesimal Is

302222

The numbers with a 22 subscript use Base 22 Duovigesimal 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
301l22
Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 22 Duovigesimal
31988
302022
Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 22 Duovigesimal
31989
302122
Thirty-One Thousand Nine Hundred and Eighty-Nine in Base 22 Duovigesimal
31991
302322
Thirty-One Thousand Nine Hundred and Ninety-One in Base 22 Duovigesimal
31992
302422
Thirty-One Thousand Nine Hundred and Ninety-Two in Base 22 Duovigesimal
31993
302522
Thirty-One Thousand Nine Hundred and Ninety-Three in Base 22 Duovigesimal

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.

0.000772512ac5l9j22

The reciprocal of 31990 in Base 22 Duovigesimal.

Palindrome?

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

The number 302222 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 22 Duovigesimal

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
222
Two in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
7
722
Seven in Base 22 Duovigesimal
457
kh22
Four Hundred and Fifty-Seven in Base 22 Duovigesimal

Prime Factorization

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

2221 · 5221 · 7221 · kh221 = 302222

Base Conversions

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