The Number

66

Sixty-Six

In Base 8 Octal Is

1028

The numbers with a 8 subscript use Base 8 Octal notation.

For more familiar numbers: See Sixty-Six in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

63
778
Sixty-Three in Base 8 Octal
64
1008
Sixty-Four in Base 8 Octal
65
1018
Sixty-Five in Base 8 Octal
67
1038
Sixty-Seven in Base 8 Octal
68
1048
Sixty-Eight in Base 8 Octal
69
1058
Sixty-Nine in Base 8 Octal

Scientific Notation

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

6.6e1

Reciprocal

A number multiplied with its reciprocal is one.

0.00760370174076037028

The reciprocal of 66 in Base 8 Octal.

Palindrome?

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

The number 1028 is not a palindrome.

Not A Prime Number

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

Sixty-six is a composite number with 8 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Sixty-six is a composite number with 8 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 sixty-six has the following 3 prime factors:

2
28
Two in Base 8 Octal
3
38
Three in Base 8 Octal
11
138
Eleven in Base 8 Octal

Prime Factorization

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

281 · 381 · 1381 = 1028

Base Conversions

The number sixty-six in 35 different bases