The Number

204990

Two Hundred and Four Thousand Nine Hundred and Ninety

In Base 20 Vigesimal Is

15c9a20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

204987
15c9720
Two Hundred and Four Thousand Nine Hundred and Eighty-Seven in Base 20 Vigesimal
204988
15c9820
Two Hundred and Four Thousand Nine Hundred and Eighty-Eight in Base 20 Vigesimal
204989
15c9920
Two Hundred and Four Thousand Nine Hundred and Eighty-Nine in Base 20 Vigesimal
204991
15c9b20
Two Hundred and Four Thousand Nine Hundred and Ninety-One in Base 20 Vigesimal
204992
15c9c20
Two Hundred and Four Thousand Nine Hundred and Ninety-Two in Base 20 Vigesimal
204993
15c9d20
Two Hundred and Four 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.

2.04990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000fc442g5a76ai20

The reciprocal of 204990 in Base 20 Vigesimal.

Palindrome?

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

The number 15c9a20 is not a palindrome.

Not A Prime Number

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

Two hundred and four thousand nine hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Two hundred and four 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 two hundred and four thousand nine hundred and ninety has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
6833
h1d20
Six Thousand Eight Hundred and Thirty-Three 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 · 3201 · 5201 · h1d201 = 15c9a20

Base Conversions

The number two hundred and four thousand nine hundred and ninety in 35 different bases