The Number

1681

One Thousand Six Hundred and Eighty-One

In Base 13 Tridecimal Is

9c413

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

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

Nearby Numbers

Positive, nonzero integers within three units

1678
9c113
One Thousand Six Hundred and Seventy-Eight in Base 13 Tridecimal
1679
9c213
One Thousand Six Hundred and Seventy-Nine in Base 13 Tridecimal
1680
9c313
One Thousand Six Hundred and Eighty in Base 13 Tridecimal
1682
9c513
One Thousand Six Hundred and Eighty-Two in Base 13 Tridecimal
1683
9c613
One Thousand Six Hundred and Eighty-Three in Base 13 Tridecimal
1684
9c713
One 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.

1.681e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0013cb511c97742913

The reciprocal of 1681 in Base 13 Tridecimal.

Palindrome?

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

The number 9c413 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 eighty-one is a composite number with 3 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 eighty-one is a composite number with 3 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 eighty-one has the following 1 prime factor:

41
3213
Forty-One in Base 13 Tridecimal

Prime Factorization

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

32132 = 9c413

Base Conversions

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