The Number

1399

One Thousand Three Hundred and Ninety-Nine

In Base 18 Octodecimal Is

45d18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1396
45a18
One Thousand Three Hundred and Ninety-Six in Base 18 Octodecimal
1397
45b18
One Thousand Three Hundred and Ninety-Seven in Base 18 Octodecimal
1398
45c18
One Thousand Three Hundred and Ninety-Eight in Base 18 Octodecimal
1400
45e18
One Thousand Four Hundred in Base 18 Octodecimal
1401
45f18
One Thousand Four Hundred and One in Base 18 Octodecimal
1402
45g18
One Thousand Four Hundred and Two in Base 18 Octodecimal

Scientific Notation

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

1.399e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00430beaf86ded2b18

The reciprocal of 1399 in Base 18 Octodecimal.

Palindrome?

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

The number 45d18 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 ninety-nine is the 222nd prime number.   See primes in Base 18 Octodecimal

Not A Composite

Composites have more than just these two factors.

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

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 ninety-nine has the following 1 prime factor:

1399
45d18
One Thousand Three Hundred and Ninety-Nine in Base 18 Octodecimal

Prime Factorization

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

45d181 = 45d18

Base Conversions

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