The Number

490840

Four Hundred and Ninety Thousand Eight Hundred and Forty

In Base 21 Unovigesimal Is

2b00721

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

490837
2b00421
Four Hundred and Ninety Thousand Eight Hundred and Thirty-Seven in Base 21 Unovigesimal
490838
2b00521
Four Hundred and Ninety Thousand Eight Hundred and Thirty-Eight in Base 21 Unovigesimal
490839
2b00621
Four Hundred and Ninety Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
490841
2b00821
Four Hundred and Ninety Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
490842
2b00921
Four Hundred and Ninety Thousand Eight Hundred and Forty-Two in Base 21 Unovigesimal
490843
2b00a21
Four Hundred and Ninety Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal

Scientific Notation

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

4.90840e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000086f88d09k1ake21

The reciprocal of 490840 in Base 21 Unovigesimal.

Palindrome?

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

The number 2b00721 is not a palindrome.

Not A Prime Number

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

Four hundred and ninety thousand eight hundred and forty is a composite number with 32 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and ninety thousand eight hundred and forty is a composite number with 32 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 four hundred and ninety thousand eight hundred and forty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
1753
3ka21
One Thousand Seven Hundred and Fifty-Three in Base 21 Unovigesimal

Prime Factorization

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

2213 · 5211 · 7211 · 3ka211 = 2b00721

Base Conversions

The number four hundred and ninety thousand eight hundred and forty in 35 different bases