The Number

19985

Nineteen Thousand Nine Hundred and Eighty-Five

In Base 13 Tridecimal Is

913413

The numbers with a 13 subscript use Base 13 Tridecimal 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
913113
Nineteen Thousand Nine Hundred and Eighty-Two in Base 13 Tridecimal
19983
913213
Nineteen Thousand Nine Hundred and Eighty-Three in Base 13 Tridecimal
19984
913313
Nineteen Thousand Nine Hundred and Eighty-Four in Base 13 Tridecimal
19986
913513
Nineteen Thousand Nine Hundred and Eighty-Six in Base 13 Tridecimal
19987
913613
Nineteen Thousand Nine Hundred and Eighty-Seven in Base 13 Tridecimal
19988
913713
Nineteen Thousand Nine Hundred and Eighty-Eight in Base 13 Tridecimal

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.

0.0001576a1c220b3421713

The reciprocal of 19985 in Base 13 Tridecimal.

Palindrome?

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

The number 913413 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 13 Tridecimal

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
513
Five in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
571
34c13
Five Hundred and Seventy-One in Base 13 Tridecimal

Prime Factorization

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

5131 · 7131 · 34c131 = 913413

Base Conversions

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