The Number

428072

Four Hundred and Twenty-Eight Thousand and Seventy-Two

In Base 21 Unovigesimal Is

244e821

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

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

Nearby Numbers

Positive, nonzero integers within three units

428069
244e521
Four Hundred and Twenty-Eight Thousand and Sixty-Nine in Base 21 Unovigesimal
428070
244e621
Four Hundred and Twenty-Eight Thousand and Seventy in Base 21 Unovigesimal
428071
244e721
Four Hundred and Twenty-Eight Thousand and Seventy-One in Base 21 Unovigesimal
428073
244e921
Four Hundred and Twenty-Eight Thousand and Seventy-Three in Base 21 Unovigesimal
428074
244ea21
Four Hundred and Twenty-Eight Thousand and Seventy-Four in Base 21 Unovigesimal
428075
244eb21
Four Hundred and Twenty-Eight Thousand and Seventy-Five in Base 21 Unovigesimal

Scientific Notation

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

4.28072e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009b7967dc5ge621

The reciprocal of 428072 in Base 21 Unovigesimal.

Palindrome?

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

The number 244e821 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 and seventy-two 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 and seventy-two 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 and seventy-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
73
3a21
Seventy-Three in Base 21 Unovigesimal
733
1dj21
Seven Hundred and Thirty-Three 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 · 3a211 · 1dj211 = 244e821

Base Conversions

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