The Number

428490

Four Hundred and Twenty-Eight Thousand Four Hundred and Ninety

In Base 21 Unovigesimal Is

245d621

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

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

Nearby Numbers

Positive, nonzero integers within three units

428487
245d321
Four Hundred and Twenty-Eight Thousand Four Hundred and Eighty-Seven in Base 21 Unovigesimal
428488
245d421
Four Hundred and Twenty-Eight Thousand Four Hundred and Eighty-Eight in Base 21 Unovigesimal
428489
245d521
Four Hundred and Twenty-Eight Thousand Four Hundred and Eighty-Nine in Base 21 Unovigesimal
428491
245d721
Four Hundred and Twenty-Eight Thousand Four Hundred and Ninety-One in Base 21 Unovigesimal
428492
245d821
Four Hundred and Twenty-Eight Thousand Four Hundred and Ninety-Two in Base 21 Unovigesimal
428493
245d921
Four Hundred and Twenty-Eight Thousand Four Hundred and Ninety-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.

4.28490e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009b372692h5f321

The reciprocal of 428490 in Base 21 Unovigesimal.

Palindrome?

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

The number 245d621 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 twenty-eight thousand four hundred and ninety is a composite number with 60 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 twenty-eight thousand four hundred and ninety is a composite number with 60 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 twenty-eight thousand four hundred and ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
23
1221
Twenty-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

2211 · 3214 · 5211 · 12212 = 245d621

Base Conversions

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