The Number

20990

Twenty Thousand Nine Hundred and Ninety

In Base 20 Vigesimal Is

2c9a20

The numbers with a 20 subscript use Base 20 Vigesimal 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
2c9720
Twenty Thousand Nine Hundred and Eighty-Seven in Base 20 Vigesimal
20988
2c9820
Twenty Thousand Nine Hundred and Eighty-Eight in Base 20 Vigesimal
20989
2c9920
Twenty Thousand Nine Hundred and Eighty-Nine in Base 20 Vigesimal
20991
2c9b20
Twenty Thousand Nine Hundred and Ninety-One in Base 20 Vigesimal
20992
2c9c20
Twenty Thousand Nine Hundred and Ninety-Two in Base 20 Vigesimal
20993
2c9d20
Twenty 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.

2.0990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007c9187hfff7f820

The reciprocal of 20990 in Base 20 Vigesimal.

Palindrome?

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

The number 2c9a20 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 20 Vigesimal

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
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
2099
54j20
Two Thousand and Ninety-Nine 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 · 54j201 = 2c9a20

Base Conversions

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