The Number

668081

Six Hundred and Sixty-Eight Thousand and Eighty-One

In Base 13 Tridecimal Is

1a511b13

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

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

Nearby Numbers

Positive, nonzero integers within three units

668078
1a511813
Six Hundred and Sixty-Eight Thousand and Seventy-Eight in Base 13 Tridecimal
668079
1a511913
Six Hundred and Sixty-Eight Thousand and Seventy-Nine in Base 13 Tridecimal
668080
1a511a13
Six Hundred and Sixty-Eight Thousand and Eighty in Base 13 Tridecimal
668082
1a511c13
Six Hundred and Sixty-Eight Thousand and Eighty-Two in Base 13 Tridecimal
668083
1a512013
Six Hundred and Sixty-Eight Thousand and Eighty-Three in Base 13 Tridecimal
668084
1a512113
Six Hundred and Sixty-Eight Thousand 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.

6.68081e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000072c00c7400aac4513

The reciprocal of 668081 in Base 13 Tridecimal.

Palindrome?

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

The number 1a511b13 is not a palindrome.

Not A Prime Number

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

Six hundred and sixty-eight thousand and eighty-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.

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

23
1a13
Twenty-Three in Base 13 Tridecimal
31
2513
Thirty-One in Base 13 Tridecimal
937
57113
Nine Hundred and Thirty-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

1a131 · 25131 · 571131 = 1a511b13

Base Conversions

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