The Number

385720

Three Hundred and Eighty-Five Thousand Seven Hundred and Twenty

In Base 21 Unovigesimal Is

1kddd21

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

For more familiar numbers: See Three Hundred and Eighty-Five Thousand Seven Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

385717
1kdda21
Three Hundred and Eighty-Five Thousand Seven Hundred and Seventeen in Base 21 Unovigesimal
385718
1kddb21
Three Hundred and Eighty-Five Thousand Seven Hundred and Eightteen in Base 21 Unovigesimal
385719
1kddc21
Three Hundred and Eighty-Five Thousand Seven Hundred and Nineteen in Base 21 Unovigesimal
385721
1kdde21
Three Hundred and Eighty-Five Thousand Seven Hundred and Twenty-One in Base 21 Unovigesimal
385722
1kddf21
Three Hundred and Eighty-Five Thousand Seven Hundred and Twenty-Two in Base 21 Unovigesimal
385723
1kddg21
Three Hundred and Eighty-Five Thousand Seven Hundred and Twenty-Three in Base 21 Unovigesimal

Scientific Notation

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

3.85720e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ac78h14f515k21

The reciprocal of 385720 in Base 21 Unovigesimal.

Palindrome?

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

The number 1kddd21 is not a palindrome.

Not A Prime Number

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

Three hundred and eighty-five thousand seven hundred and twenty 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.

Three hundred and eighty-five thousand seven hundred and twenty 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 three hundred and eighty-five thousand seven hundred and twenty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
9643
10i421
Nine Thousand Six Hundred and Forty-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 · 5211 · 10i4211 = 1kddd21

Base Conversions

The number three hundred and eighty-five thousand seven hundred and twenty in 35 different bases