The Number

19985

Nineteen Thousand Nine Hundred and Eighty-Five

In Base 9 Nonary Is

303659

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

19982
303629
Nineteen Thousand Nine Hundred and Eighty-Two in Base 9 Nonary
19983
303639
Nineteen Thousand Nine Hundred and Eighty-Three in Base 9 Nonary
19984
303649
Nineteen Thousand Nine Hundred and Eighty-Four in Base 9 Nonary
19986
303669
Nineteen Thousand Nine Hundred and Eighty-Six in Base 9 Nonary
19987
303679
Nineteen Thousand Nine Hundred and Eighty-Seven in Base 9 Nonary
19988
303689
Nineteen Thousand Nine Hundred and Eighty-Eight in Base 9 Nonary

Scientific Notation

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

1.9985e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000285285057831875749

The reciprocal of 19985 in Base 9 Nonary.

Palindrome?

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

The number 303659 is not a palindrome.

Not A Prime Number

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

Nineteen thousand nine hundred and eighty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Nineteen thousand nine hundred and eighty-five is a composite number with 8 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 nineteen thousand nine hundred and eighty-five has the following 3 prime factors:

5
59
Five in Base 9 Nonary
7
79
Seven in Base 9 Nonary
571
7049
Five Hundred and Seventy-One in Base 9 Nonary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

591 · 791 · 70491 = 303659

Base Conversions

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