The Number

18

Eightteen

In Base 17 Septendecimal Is

1117

The numbers with a 17 subscript use Base 17 Septendecimal notation.

For more familiar numbers: See Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

15
f17
Fifteen in Base 17 Septendecimal
16
g17
Sixteen in Base 17 Septendecimal
17
1017
Seventeen in Base 17 Septendecimal
19
1217
Nineteen in Base 17 Septendecimal
20
1317
Twenty in Base 17 Septendecimal
21
1417
Twenty-One in Base 17 Septendecimal

Scientific Notation

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

1.8e1

Reciprocal

A number multiplied with its reciprocal is one.

0.0g0g0g0g0g0g0f17

The reciprocal of 18 in Base 17 Septendecimal.

Palindrome?

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

The number 1117 is 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 17 Septendecimal

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
217
Two in Base 17 Septendecimal
3
317
Three in Base 17 Septendecimal

Prime Factorization

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

2171 · 3172 = 1117

Base Conversions

The number eightteen in 35 different bases