The Number

65985

Sixty-Five Thousand Nine Hundred and Eighty-Five

In Base 21 Unovigesimal Is

72d321

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

For more familiar numbers: See Sixty-Five Thousand Nine Hundred and Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

65982
72d021
Sixty-Five Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
65983
72d121
Sixty-Five Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
65984
72d221
Sixty-Five Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
65986
72d421
Sixty-Five Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
65987
72d521
Sixty-Five Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
65988
72d621
Sixty-Five Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal

Scientific Notation

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

6.5985e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002jig8ij0d7hdg21

The reciprocal of 65985 in Base 21 Unovigesimal.

Palindrome?

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

The number 72d321 is not a palindrome.

Not A Prime Number

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

Sixty-five thousand nine hundred and eighty-five 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.

Sixty-five thousand nine hundred and eighty-five 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 sixty-five thousand nine hundred and eighty-five has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
53
2b21
Fifty-Three in Base 21 Unovigesimal
83
3k21
Eighty-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

3211 · 5211 · 2b211 · 3k211 = 72d321

Base Conversions

The number sixty-five thousand nine hundred and eighty-five in 35 different bases