The Number

1321

One Thousand Three Hundred and Twenty-One

In Base 15 Quindecimal Is

5d115

The numbers with a 15 subscript use Base 15 Quindecimal notation.

For more familiar numbers: See One Thousand Three Hundred and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1318
5cd15
One Thousand Three Hundred and Eightteen in Base 15 Quindecimal
1319
5ce15
One Thousand Three Hundred and Nineteen in Base 15 Quindecimal
1320
5d015
One Thousand Three Hundred and Twenty in Base 15 Quindecimal
1322
5d215
One Thousand Three Hundred and Twenty-Two in Base 15 Quindecimal
1323
5d315
One Thousand Three Hundred and Twenty-Three in Base 15 Quindecimal
1324
5d415
One Thousand Three Hundred and Twenty-Four in Base 15 Quindecimal

Scientific Notation

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

1.321e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00284cae0543048e15

The reciprocal of 1321 in Base 15 Quindecimal.

Palindrome?

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

The number 5d115 is not a palindrome.

A Prime Number

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

One thousand three hundred and twenty-one is the 216th prime number.   See primes in Base 15 Quindecimal

Not A Composite

Composites have more than just these two factors.

One Thousand Three Hundred and Twenty-One is not a composite number because it has exactly two factors: One and One Thousand Three Hundred and Twenty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand three hundred and twenty-one has the following 1 prime factor:

1321
5d115
One Thousand Three Hundred and Twenty-One in Base 15 Quindecimal

Prime Factorization

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

5d1151 = 5d115

Base Conversions

The number one thousand three hundred and twenty-one in 35 different bases