The Number

428987

Four Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Seven

In Base 21 Unovigesimal Is

246fk21

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

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

Nearby Numbers

Positive, nonzero integers within three units

428984
246fh21
Four Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
428985
246fi21
Four Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Five in Base 21 Unovigesimal
428986
246fj21
Four Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
428988
246g021
Four Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
428989
246g121
Four Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
428990
246g221
Four Hundred and Twenty-Eight Thousand Nine Hundred and Ninety in Base 21 Unovigesimal

Scientific Notation

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

4.28987e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009aj9hfe7dk9kd21

The reciprocal of 428987 in Base 21 Unovigesimal.

Palindrome?

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

The number 246fk21 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 nine hundred and eighty-seven is a composite number with 4 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 nine hundred and eighty-seven is a composite number with 4 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 nine hundred and eighty-seven has the following 2 prime factors:

13
d21
Thirteen in Base 21 Unovigesimal
32999
3bh821
Thirty-Two Thousand Nine Hundred and Ninety-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

d211 · 3bh8211 = 246fk21

Base Conversions

The number four hundred and twenty-eight thousand nine hundred and eighty-seven in 35 different bases