The Number

18

Eightteen

In Base 6 Senary Is

306

The numbers with a 6 subscript use Base 6 Senary notation.

For more familiar numbers: See Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

15
236
Fifteen in Base 6 Senary
16
246
Sixteen in Base 6 Senary
17
256
Seventeen in Base 6 Senary
19
316
Nineteen in Base 6 Senary
20
326
Twenty in Base 6 Senary
21
336
Twenty-One in Base 6 Senary

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.

0.026

The reciprocal of 18 in Base 6 Senary.

Palindrome?

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

The number 306 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 6 Senary

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
26
Two in Base 6 Senary
3
36
Three in Base 6 Senary

Prime Factorization

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

261 · 362 = 306

Base Conversions

The number eightteen in 35 different bases