The Number

728242

Seven Hundred and Twenty-Eight Thousand Two Hundred and Forty-Two

In Base 21 Unovigesimal Is

3fd7421

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

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

Nearby Numbers

Positive, nonzero integers within three units

728239
3fd7121
Seven Hundred and Twenty-Eight Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal
728240
3fd7221
Seven Hundred and Twenty-Eight Thousand Two Hundred and Forty in Base 21 Unovigesimal
728241
3fd7321
Seven Hundred and Twenty-Eight Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
728243
3fd7521
Seven Hundred and Twenty-Eight Thousand Two Hundred and Forty-Three in Base 21 Unovigesimal
728244
3fd7621
Seven Hundred and Twenty-Eight Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
728245
3fd7721
Seven Hundred and Twenty-Eight Thousand Two Hundred and Forty-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.

7.28242e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005cg449d2dabk621

The reciprocal of 728242 in Base 21 Unovigesimal.

Palindrome?

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

The number 3fd7421 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Seven hundred and twenty-eight thousand two hundred and forty-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.

Seven hundred and twenty-eight thousand two hundred and forty-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 seven hundred and twenty-eight thousand two hundred and forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
83
3k21
Eighty-Three in Base 21 Unovigesimal
107
5221
One Hundred and Seven 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 · 1k211 · 3k211 · 52211 = 3fd7421

Base Conversions

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