The Number

66681

Sixty-Six Thousand Six Hundred and Eighty-One

In Base 13 Tridecimal Is

2447413

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

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

Nearby Numbers

Positive, nonzero integers within three units

66678
2447113
Sixty-Six Thousand Six Hundred and Seventy-Eight in Base 13 Tridecimal
66679
2447213
Sixty-Six Thousand Six Hundred and Seventy-Nine in Base 13 Tridecimal
66680
2447313
Sixty-Six Thousand Six Hundred and Eighty in Base 13 Tridecimal
66682
2447513
Sixty-Six Thousand Six Hundred and Eighty-Two in Base 13 Tridecimal
66683
2447613
Sixty-Six Thousand Six Hundred and Eighty-Three in Base 13 Tridecimal
66684
2447713
Sixty-Six Thousand Six Hundred and Eighty-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.

6.6681e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000575043b5881a1bb13

The reciprocal of 66681 in Base 13 Tridecimal.

Palindrome?

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

The number 2447413 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 six hundred and eighty-one 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.

Sixty-six thousand six hundred and eighty-one 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 sixty-six thousand six hundred and eighty-one has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
31
2513
Thirty-One in Base 13 Tridecimal
239
15513
Two Hundred and Thirty-Nine in Base 13 Tridecimal

Prime Factorization

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

3132 · 25131 · 155131 = 2447413

Base Conversions

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