The Number

42839

Forty-Two Thousand Eight Hundred and Thirty-Nine

In Base 21 Unovigesimal Is

4d2k21

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

For more familiar numbers: See Forty-Two Thousand Eight Hundred and Thirty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

42836
4d2h21
Forty-Two Thousand Eight Hundred and Thirty-Six in Base 21 Unovigesimal
42837
4d2i21
Forty-Two Thousand Eight Hundred and Thirty-Seven in Base 21 Unovigesimal
42838
4d2j21
Forty-Two Thousand Eight Hundred and Thirty-Eight in Base 21 Unovigesimal
42840
4d3021
Forty-Two Thousand Eight Hundred and Forty in Base 21 Unovigesimal
42841
4d3121
Forty-Two Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
42842
4d3221
Forty-Two Thousand Eight Hundred and Forty-Two in Base 21 Unovigesimal

Scientific Notation

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

4.2839e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004b71432fk6e6421

The reciprocal of 42839 in Base 21 Unovigesimal.

Palindrome?

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

The number 4d2k21 is not a palindrome.

A Prime Number

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

Forty-two thousand eight hundred and thirty-nine is the 4479th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Forty-Two Thousand Eight Hundred and Thirty-Nine is not a composite number because it has exactly two factors: One and Forty-Two Thousand Eight Hundred and Thirty-Nine

Prime Factors

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

The number forty-two thousand eight hundred and thirty-nine has the following 1 prime factor:

42839
4d2k21
Forty-Two Thousand Eight Hundred and Thirty-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

4d2k211 = 4d2k21

Base Conversions

The number forty-two thousand eight hundred and thirty-nine in 35 different bases