The Number

428638

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

In Base 21 Unovigesimal Is

245k721

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 Thirty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

428635
245k421
Four Hundred and Twenty-Eight Thousand Six Hundred and Thirty-Five in Base 21 Unovigesimal
428636
245k521
Four Hundred and Twenty-Eight Thousand Six Hundred and Thirty-Six in Base 21 Unovigesimal
428637
245k621
Four Hundred and Twenty-Eight Thousand Six Hundred and Thirty-Seven in Base 21 Unovigesimal
428639
245k821
Four Hundred and Twenty-Eight Thousand Six Hundred and Thirty-Nine in Base 21 Unovigesimal
428640
245k921
Four Hundred and Twenty-Eight Thousand Six Hundred and Forty in Base 21 Unovigesimal
428641
245ka21
Four Hundred and Twenty-Eight Thousand Six Hundred and Forty-One in Base 21 Unovigesimal

Scientific Notation

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

4.28638e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009b1id5eah49be21

The reciprocal of 428638 in Base 21 Unovigesimal.

Palindrome?

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

The number 245k721 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 thirty-eight 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 thirty-eight 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 thirty-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
1801
41g21
One Thousand Eight Hundred and 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

2211 · 7211 · h211 · 41g211 = 245k721

Base Conversions

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