The Number

66

Sixty-Six

In Base 21 Unovigesimal Is

3321

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

63
3021
Sixty-Three in Base 21 Unovigesimal
64
3121
Sixty-Four in Base 21 Unovigesimal
65
3221
Sixty-Five in Base 21 Unovigesimal
67
3421
Sixty-Seven in Base 21 Unovigesimal
68
3521
Sixty-Eight in Base 21 Unovigesimal
69
3621
Sixty-Nine in Base 21 Unovigesimal

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.

0.06e6e6e6e6e6e521

The reciprocal of 66 in Base 21 Unovigesimal.

Palindrome?

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

The number 3321 is 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 21 Unovigesimal

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
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal

Prime Factorization

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

2211 · 3211 · b211 = 3321

Base Conversions

The number sixty-six in 35 different bases