The Number

11985

Eleven Thousand Nine Hundred and Eighty-Five

In Base 18 Octodecimal Is

20hf18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

11982
20hc18
Eleven Thousand Nine Hundred and Eighty-Two in Base 18 Octodecimal
11983
20hd18
Eleven Thousand Nine Hundred and Eighty-Three in Base 18 Octodecimal
11984
20he18
Eleven Thousand Nine Hundred and Eighty-Four in Base 18 Octodecimal
11986
20hg18
Eleven Thousand Nine Hundred and Eighty-Six in Base 18 Octodecimal
11987
20hh18
Eleven Thousand Nine Hundred and Eighty-Seven in Base 18 Octodecimal
11988
210018
Eleven Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal

Scientific Notation

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

1.1985e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008dbg372cd66gc18

The reciprocal of 11985 in Base 18 Octodecimal.

Palindrome?

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

The number 20hf18 is not a palindrome.

Not A Prime Number

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

Eleven thousand nine hundred and eighty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Eleven 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 eleven thousand nine hundred and eighty-five has the following 4 prime factors:

3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
47
2b18
Forty-Seven in Base 18 Octodecimal

Prime Factorization

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

3181 · 5181 · h181 · 2b181 = 20hf18

Base Conversions

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