The Number

428493

Four Hundred and Twenty-Eight Thousand Four Hundred and Ninety-Three

In Base 21 Unovigesimal Is

245d921

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-Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

428490
245d621
Four Hundred and Twenty-Eight Thousand Four Hundred and Ninety 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
428494
245da21
Four Hundred and Twenty-Eight Thousand Four Hundred and Ninety-Four in Base 21 Unovigesimal
428495
245db21
Four Hundred and Twenty-Eight Thousand Four Hundred and Ninety-Five in Base 21 Unovigesimal
428496
245dc21
Four Hundred and Twenty-Eight Thousand Four Hundred and Ninety-Six in Base 21 Unovigesimal

Scientific Notation

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

4.28493e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009b36a6igh1c521

The reciprocal of 428493 in Base 21 Unovigesimal.

Palindrome?

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

The number 245d921 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-three is a composite number with 8 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-three is a composite number with 8 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-three has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
10987
13j421
Ten Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal

Prime Factorization

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

3211 · d211 · 13j4211 = 245d921

Base Conversions

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