The Number

399

Three Hundred and Ninety-Nine

In Base 9 Nonary Is

4839

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

396
4809
Three Hundred and Ninety-Six in Base 9 Nonary
397
4819
Three Hundred and Ninety-Seven in Base 9 Nonary
398
4829
Three Hundred and Ninety-Eight in Base 9 Nonary
400
4849
Four Hundred in Base 9 Nonary
401
4859
Four Hundred and One in Base 9 Nonary
402
4869
Four Hundred and Two in Base 9 Nonary

Scientific Notation

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

3.99e2

Reciprocal

A number multiplied with its reciprocal is one.

0.001738834601738834569

The reciprocal of 399 in Base 9 Nonary.

Palindrome?

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

The number 4839 is not a palindrome.

Not A Prime Number

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

Three hundred and ninety-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Three hundred and ninety-nine 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 three hundred and ninety-nine has the following 3 prime factors:

3
39
Three in Base 9 Nonary
7
79
Seven in Base 9 Nonary
19
219
Nineteen in Base 9 Nonary

Prime Factorization

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

391 · 791 · 2191 = 4839

Base Conversions

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