The Number

428646

Four Hundred and Twenty-Eight Thousand Six Hundred and Forty-Six

In Base 21 Unovigesimal Is

245kf21

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

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

Nearby Numbers

Positive, nonzero integers within three units

428643
245kc21
Four Hundred and Twenty-Eight Thousand Six Hundred and Forty-Three in Base 21 Unovigesimal
428644
245kd21
Four Hundred and Twenty-Eight Thousand Six Hundred and Forty-Four in Base 21 Unovigesimal
428645
245ke21
Four Hundred and Twenty-Eight Thousand Six Hundred and Forty-Five in Base 21 Unovigesimal
428647
245kg21
Four Hundred and Twenty-Eight Thousand Six Hundred and Forty-Seven in Base 21 Unovigesimal
428648
245kh21
Four Hundred and Twenty-Eight Thousand Six Hundred and Forty-Eight in Base 21 Unovigesimal
428649
245ki21
Four Hundred and Twenty-Eight Thousand Six Hundred and Forty-Nine in Base 21 Unovigesimal

Scientific Notation

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

4.28646e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009b1gke9034i2621

The reciprocal of 428646 in Base 21 Unovigesimal.

Palindrome?

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

The number 245kf21 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 six hundred and forty-six 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 six hundred and forty-six 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 six hundred and forty-six has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
199
9a21
One Hundred and Ninety-Nine in Base 21 Unovigesimal
359
h221
Three Hundred and Fifty-Nine 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 · 3211 · 9a211 · h2211 = 245kf21

Base Conversions

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