The Number

642804

Six Hundred and Forty-Two Thousand Eight Hundred and Four

In Base 20 Vigesimal Is

4070420

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

For more familiar numbers: See Six Hundred and Forty-Two Thousand Eight Hundred and Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

642801
4070120
Six Hundred and Forty-Two Thousand Eight Hundred and One in Base 20 Vigesimal
642802
4070220
Six Hundred and Forty-Two Thousand Eight Hundred and Two in Base 20 Vigesimal
642803
4070320
Six Hundred and Forty-Two Thousand Eight Hundred and Three in Base 20 Vigesimal
642805
4070520
Six Hundred and Forty-Two Thousand Eight Hundred and Five in Base 20 Vigesimal
642806
4070620
Six Hundred and Forty-Two Thousand Eight Hundred and Six in Base 20 Vigesimal
642807
4070720
Six Hundred and Forty-Two Thousand Eight Hundred and Seven in Base 20 Vigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

6.42804e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jb5a5fe741d220

The reciprocal of 642804 in Base 20 Vigesimal.

Palindrome?

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

The number 4070420 is a palindrome.

Not A Prime Number

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

Six hundred and forty-two thousand eight hundred and four is a composite number with 48 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Six hundred and forty-two thousand eight hundred and four is a composite number with 48 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 six hundred and forty-two thousand eight hundred and four has the following 5 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
17
h20
Seventeen in Base 20 Vigesimal
23
1320
Twenty-Three in Base 20 Vigesimal
137
6h20
One Hundred and Thirty-Seven in Base 20 Vigesimal

Prime Factorization

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

2202 · 3201 · h201 · 13201 · 6h201 = 4070420

Base Conversions

The number six hundred and forty-two thousand eight hundred and four in 35 different bases