The Number

1666

One Thousand Six Hundred and Sixty-Six

In Base 13 Tridecimal Is

9b213

The numbers with a 13 subscript use Base 13 Tridecimal notation.

For more familiar numbers: See One Thousand Six Hundred and Sixty-Six in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1663
9ac13
One Thousand Six Hundred and Sixty-Three in Base 13 Tridecimal
1664
9b013
One Thousand Six Hundred and Sixty-Four in Base 13 Tridecimal
1665
9b113
One Thousand Six Hundred and Sixty-Five in Base 13 Tridecimal
1667
9b313
One Thousand Six Hundred and Sixty-Seven in Base 13 Tridecimal
1668
9b413
One Thousand Six Hundred and Sixty-Eight in Base 13 Tridecimal
1669
9b513
One Thousand Six Hundred and Sixty-Nine in Base 13 Tridecimal

Scientific Notation

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

1.666e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00141b323950576b813

The reciprocal of 1666 in Base 13 Tridecimal.

Palindrome?

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

The number 9b213 is not a palindrome.

Not A Prime Number

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

One thousand six hundred and sixty-six is a composite number with 12 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

One thousand six hundred and sixty-six is a composite number with 12 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 one thousand six hundred and sixty-six has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
17
1413
Seventeen in Base 13 Tridecimal

Prime Factorization

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

2131 · 7132 · 14131 = 9b213

Base Conversions

The number one thousand six hundred and sixty-six in 35 different bases