1018

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

For more familiar numbers: See Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

15
f18
Fifteen in Base 18 Octodecimal
16
g18
Sixteen in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal
20
1218
Twenty in Base 18 Octodecimal
21
1318
Twenty-One in Base 18 Octodecimal

Scientific Notation

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

Reciprocal

A number multiplied with its reciprocal is one.

0.118

The reciprocal of 18 in Base 18 Octodecimal.

Palindrome?

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

The number 1018 is not a palindrome.

Not A Prime Number

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

Eightteen is a composite number with 6 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Eightteen is a composite number with 6 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 eightteen has the following 2 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal

Prime Factorization

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

Base Conversions

The number eightteen in 35 different bases