The Number

642538

Six Hundred and Forty-Two Thousand Five Hundred and Thirty-Eight

In Base 20 Vigesimal Is

4066i20

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

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

Nearby Numbers

Positive, nonzero integers within three units

642535
4066f20
Six Hundred and Forty-Two Thousand Five Hundred and Thirty-Five in Base 20 Vigesimal
642536
4066g20
Six Hundred and Forty-Two Thousand Five Hundred and Thirty-Six in Base 20 Vigesimal
642537
4066h20
Six Hundred and Forty-Two Thousand Five Hundred and Thirty-Seven in Base 20 Vigesimal
642539
4066j20
Six Hundred and Forty-Two Thousand Five Hundred and Thirty-Nine in Base 20 Vigesimal
642540
4067020
Six Hundred and Forty-Two Thousand Five Hundred and Forty in Base 20 Vigesimal
642541
4067120
Six Hundred and Forty-Two Thousand Five Hundred and Forty-One in Base 20 Vigesimal

Scientific Notation

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

6.42538e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jc200ca0389820

The reciprocal of 642538 in Base 20 Vigesimal.

Palindrome?

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

The number 4066i20 is not 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 five hundred and thirty-eight is a composite number with 12 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 five hundred and thirty-eight is a composite number with 12 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 five hundred and thirty-eight has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal
1901
4f120
One Thousand Nine Hundred and One 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 · d202 · 4f1201 = 4066i20

Base Conversions

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