The Number

428440

Four Hundred and Twenty-Eight Thousand Four Hundred and Forty

In Base 21 Unovigesimal Is

245aj21

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 Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

428437
245ag21
Four Hundred and Twenty-Eight Thousand Four Hundred and Thirty-Seven in Base 21 Unovigesimal
428438
245ah21
Four Hundred and Twenty-Eight Thousand Four Hundred and Thirty-Eight in Base 21 Unovigesimal
428439
245ai21
Four Hundred and Twenty-Eight Thousand Four Hundred and Thirty-Nine in Base 21 Unovigesimal
428441
245ak21
Four Hundred and Twenty-Eight Thousand Four Hundred and Forty-One in Base 21 Unovigesimal
428442
245b021
Four Hundred and Twenty-Eight Thousand Four Hundred and Forty-Two in Base 21 Unovigesimal
428443
245b121
Four Hundred and Twenty-Eight Thousand Four 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.

4.28440e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009b3h8d6h97ie21

The reciprocal of 428440 in Base 21 Unovigesimal.

Palindrome?

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

The number 245aj21 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 forty is a composite number with 16 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 forty is a composite number with 16 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 forty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
10711
136121
Ten Thousand Seven Hundred and Eleven 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 · 1361211 = 245aj21

Base Conversions

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