The Number

399947

Three Hundred and Ninety-Nine Thousand Nine Hundred and Forty-Seven

In Base 21 Unovigesimal Is

213j221

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

399944
213ik21
Three Hundred and Ninety-Nine Thousand Nine Hundred and Forty-Four in Base 21 Unovigesimal
399945
213j021
Three Hundred and Ninety-Nine Thousand Nine Hundred and Forty-Five in Base 21 Unovigesimal
399946
213j121
Three Hundred and Ninety-Nine Thousand Nine Hundred and Forty-Six in Base 21 Unovigesimal
399948
213j321
Three Hundred and Ninety-Nine Thousand Nine Hundred and Forty-Eight in Base 21 Unovigesimal
399949
213j421
Three Hundred and Ninety-Nine Thousand Nine Hundred and Forty-Nine in Base 21 Unovigesimal
399950
213j521
Three Hundred and Ninety-Nine Thousand Nine Hundred and Fifty in Base 21 Unovigesimal

Scientific Notation

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

3.99947e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a496e5834ek421

The reciprocal of 399947 in Base 21 Unovigesimal.

Palindrome?

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

The number 213j221 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 thousand nine hundred and forty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Three hundred and ninety-nine thousand nine hundred and forty-seven is a composite number with 4 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 thousand nine hundred and forty-seven has the following 2 prime factors:

23
1221
Twenty-Three in Base 21 Unovigesimal
17389
1i9121
Seventeen Thousand Three Hundred and Eighty-Nine in Base 21 Unovigesimal

Prime Factorization

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

12211 · 1i91211 = 213j221

Base Conversions

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