The Number

399942

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

In Base 21 Unovigesimal Is

213ii21

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-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

399939
213if21
Three Hundred and Ninety-Nine Thousand Nine Hundred and Thirty-Nine in Base 21 Unovigesimal
399940
213ig21
Three Hundred and Ninety-Nine Thousand Nine Hundred and Forty in Base 21 Unovigesimal
399941
213ih21
Three Hundred and Ninety-Nine Thousand Nine Hundred and Forty-One in Base 21 Unovigesimal
399943
213ij21
Three Hundred and Ninety-Nine Thousand Nine Hundred and Forty-Three in Base 21 Unovigesimal
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

Scientific Notation

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

3.99942e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a497i1g7d7c3e21

The reciprocal of 399942 in Base 21 Unovigesimal.

Palindrome?

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

The number 213ii21 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-two is a composite number with 24 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-two is a composite number with 24 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-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
1307
2k521
One Thousand Three Hundred and Seven in Base 21 Unovigesimal

Prime Factorization

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

2211 · 3212 · h211 · 2k5211 = 213ii21

Base Conversions

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