The Number

85

Eighty-Five

In Base 18 Octodecimal Is

4d18

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

For more familiar numbers: See Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

82
4a18
Eighty-Two in Base 18 Octodecimal
83
4b18
Eighty-Three in Base 18 Octodecimal
84
4c18
Eighty-Four in Base 18 Octodecimal
86
4e18
Eighty-Six in Base 18 Octodecimal
87
4f18
Eighty-Seven in Base 18 Octodecimal
88
4g18
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.

8.5e1

Reciprocal

A number multiplied with its reciprocal is one.

0.03eb03eb03eb03a18

The reciprocal of 85 in Base 18 Octodecimal.

Palindrome?

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

The number 4d18 is not a palindrome.

Not A Prime Number

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

Eighty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Eighty-five is a composite number with 4 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 eighty-five has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal

Prime Factorization

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

5181 · h181 = 4d18

Base Conversions

The number eighty-five in 35 different bases