The Number

42891

Forty-Two Thousand Eight Hundred and Ninety-One

In Base 21 Unovigesimal Is

4d5921

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

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

Nearby Numbers

Positive, nonzero integers within three units

42888
4d5621
Forty-Two Thousand Eight Hundred and Eighty-Eight in Base 21 Unovigesimal
42889
4d5721
Forty-Two Thousand Eight Hundred and Eighty-Nine in Base 21 Unovigesimal
42890
4d5821
Forty-Two Thousand Eight Hundred and Ninety in Base 21 Unovigesimal
42892
4d5a21
Forty-Two Thousand Eight Hundred and Ninety-Two in Base 21 Unovigesimal
42893
4d5b21
Forty-Two Thousand Eight Hundred and Ninety-Three in Base 21 Unovigesimal
42894
4d5c21
Forty-Two Thousand Eight Hundred and Ninety-Four in Base 21 Unovigesimal

Scientific Notation

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

4.2891e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004b4d4f8f4e7f21

The reciprocal of 42891 in Base 21 Unovigesimal.

Palindrome?

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

The number 4d5921 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 ninety-one is a composite number with 12 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 ninety-one is a composite number with 12 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 ninety-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
29
1821
Twenty-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

3211 · h211 · 18212 = 4d5921

Base Conversions

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