The Number

640842

Six Hundred and Forty Thousand Eight Hundred and Forty-Two

In Base 20 Vigesimal Is

4022220

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

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

Nearby Numbers

Positive, nonzero integers within three units

640839
4021j20
Six Hundred and Forty Thousand Eight Hundred and Thirty-Nine in Base 20 Vigesimal
640840
4022020
Six Hundred and Forty Thousand Eight Hundred and Forty in Base 20 Vigesimal
640841
4022120
Six Hundred and Forty Thousand Eight Hundred and Forty-One in Base 20 Vigesimal
640843
4022320
Six Hundred and Forty Thousand Eight Hundred and Forty-Three in Base 20 Vigesimal
640844
4022420
Six Hundred and Forty Thousand Eight Hundred and Forty-Four in Base 20 Vigesimal
640845
4022520
Six Hundred and Forty Thousand Eight Hundred and Forty-Five in Base 20 Vigesimal

Scientific Notation

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

6.40842e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jh78hd3031gh20

The reciprocal of 640842 in Base 20 Vigesimal.

Palindrome?

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

The number 4022220 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 thousand eight hundred and forty-two is a composite number with 24 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 thousand eight hundred and forty-two is a composite number with 24 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 thousand eight hundred and forty-two has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
29
1920
Twenty-Nine in Base 20 Vigesimal
127
6720
One Hundred and Twenty-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

2201 · 3201 · 19202 · 67201 = 4022220

Base Conversions

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