The Number

80

Eighty

In Base 18 Octodecimal Is

4818

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

For more familiar numbers: See Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

77
4518
Seventy-Seven in Base 18 Octodecimal
78
4618
Seventy-Eight in Base 18 Octodecimal
79
4718
Seventy-Nine in Base 18 Octodecimal
81
4918
Eighty-One in Base 18 Octodecimal
82
4a18
Eighty-Two in Base 18 Octodecimal
83
4b18
Eighty-Three in Base 18 Octodecimal

Scientific Notation

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

8e1

Reciprocal

A number multiplied with its reciprocal is one.

0.040g3ae73ae73ab18

The reciprocal of 80 in Base 18 Octodecimal.

Palindrome?

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

The number 4818 is not a palindrome.

Not A Prime Number

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

Eighty is a composite number with 10 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Eighty is a composite number with 10 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 has the following 2 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal

Prime Factorization

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

2184 · 5181 = 4818

Base Conversions

The number eighty in 35 different bases