The Number

66891

Sixty-Six Thousand Eight Hundred and Ninety-One

In Base 13 Tridecimal Is

245a613

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

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

Nearby Numbers

Positive, nonzero integers within three units

66888
245a313
Sixty-Six Thousand Eight Hundred and Eighty-Eight in Base 13 Tridecimal
66889
245a413
Sixty-Six Thousand Eight Hundred and Eighty-Nine in Base 13 Tridecimal
66890
245a513
Sixty-Six Thousand Eight Hundred and Ninety in Base 13 Tridecimal
66892
245a713
Sixty-Six Thousand Eight Hundred and Ninety-Two in Base 13 Tridecimal
66893
245a813
Sixty-Six Thousand Eight Hundred and Ninety-Three in Base 13 Tridecimal
66894
245a913
Sixty-Six Thousand Eight Hundred and Ninety-Four in Base 13 Tridecimal

Scientific Notation

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

6.6891e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00005720c03cb27745213

The reciprocal of 66891 in Base 13 Tridecimal.

Palindrome?

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

The number 245a613 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 thousand eight hundred and ninety-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Sixty-six thousand eight hundred and ninety-one 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 thousand eight hundred and ninety-one has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
11
b13
Eleven in Base 13 Tridecimal
2027
bcc13
Two Thousand and Twenty-Seven in Base 13 Tridecimal

Prime Factorization

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

3131 · b131 · bcc131 = 245a613

Base Conversions

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