The Number

42842

Forty-Two Thousand Eight Hundred and Forty-Two

In Base 21 Unovigesimal Is

4d3221

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

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

Nearby Numbers

Positive, nonzero integers within three units

42839
4d2k21
Forty-Two Thousand Eight Hundred and Thirty-Nine 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
42843
4d3321
Forty-Two Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal
42844
4d3421
Forty-Two Thousand Eight Hundred and Forty-Four in Base 21 Unovigesimal
42845
4d3521
Forty-Two Thousand Eight 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.

4.2842e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004b6j56gg96f8821

The reciprocal of 42842 in Base 21 Unovigesimal.

Palindrome?

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

The number 4d3221 is not a palindrome.

Not A Prime Number

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

Forty-two thousand eight hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Forty-two thousand eight hundred and forty-two 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 forty-two thousand eight hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
691
1bj21
Six Hundred and Ninety-One 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 · 1a211 · 1bj211 = 4d3221

Base Conversions

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