The Number

428840

Four Hundred and Twenty-Eight Thousand Eight Hundred and Forty

In Base 21 Unovigesimal Is

2468k21

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

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

Nearby Numbers

Positive, nonzero integers within three units

428837
2468h21
Four Hundred and Twenty-Eight Thousand Eight Hundred and Thirty-Seven in Base 21 Unovigesimal
428838
2468i21
Four Hundred and Twenty-Eight Thousand Eight Hundred and Thirty-Eight in Base 21 Unovigesimal
428839
2468j21
Four Hundred and Twenty-Eight Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
428841
2469021
Four Hundred and Twenty-Eight Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
428842
2469121
Four Hundred and Twenty-Eight Thousand Eight Hundred and Forty-Two in Base 21 Unovigesimal
428843
2469221
Four Hundred and Twenty-Eight 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.

4.28840e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009akj18i34ifge21

The reciprocal of 428840 in Base 21 Unovigesimal.

Palindrome?

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

The number 2468k21 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 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 twenty-eight 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 twenty-eight 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
71
3821
Seventy-One in Base 21 Unovigesimal
151
7421
One Hundred and Fifty-One 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 · 38211 · 74211 = 2468k21

Base Conversions

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