The Number

642398

Six Hundred and Forty-Two Thousand Three Hundred and Ninety-Eight

In Base 20 Vigesimal Is

405ji20

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

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

Nearby Numbers

Positive, nonzero integers within three units

642395
405jf20
Six Hundred and Forty-Two Thousand Three Hundred and Ninety-Five in Base 20 Vigesimal
642396
405jg20
Six Hundred and Forty-Two Thousand Three Hundred and Ninety-Six in Base 20 Vigesimal
642397
405jh20
Six Hundred and Forty-Two Thousand Three Hundred and Ninety-Seven in Base 20 Vigesimal
642399
405jj20
Six Hundred and Forty-Two Thousand Three Hundred and Ninety-Nine in Base 20 Vigesimal
642400
4060020
Six Hundred and Forty-Two Thousand Four Hundred in Base 20 Vigesimal
642401
4060120
Six Hundred and Forty-Two Thousand Four Hundred and 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.

6.42398e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jcaddfed4hji20

The reciprocal of 642398 in Base 20 Vigesimal.

Palindrome?

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

The number 405ji20 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 three hundred and ninety-eight is a composite number with 4 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 three hundred and ninety-eight is a composite number with 4 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 three hundred and ninety-eight has the following 2 prime factors:

2
220
Two in Base 20 Vigesimal
321199
202jj20
Three Hundred and Twenty-One Thousand One Hundred 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 · 202jj201 = 405ji20

Base Conversions

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