The Number

20990

Twenty Thousand Nine Hundred and Ninety

In Base 22 Duovigesimal Is

1l8222

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

For more familiar numbers: See Twenty Thousand Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20987
1l7l22
Twenty Thousand Nine Hundred and Eighty-Seven in Base 22 Duovigesimal
20988
1l8022
Twenty Thousand Nine Hundred and Eighty-Eight in Base 22 Duovigesimal
20989
1l8122
Twenty Thousand Nine Hundred and Eighty-Nine in Base 22 Duovigesimal
20991
1l8322
Twenty Thousand Nine Hundred and Ninety-One in Base 22 Duovigesimal
20992
1l8422
Twenty Thousand Nine Hundred and Ninety-Two in Base 22 Duovigesimal
20993
1l8522
Twenty 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.

2.0990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b3bdbh2k362i22

The reciprocal of 20990 in Base 22 Duovigesimal.

Palindrome?

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

The number 1l8222 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty thousand nine hundred and ninety is a composite number with 8 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand nine hundred and ninety is a composite number with 8 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 twenty thousand nine hundred and ninety has the following 3 prime factors:

2
222
Two in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
2099
47922
Two Thousand and Ninety-Nine 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 · 479221 = 1l8222

Base Conversions

The number twenty thousand nine hundred and ninety in 35 different bases