The Number

42831

Forty-Two Thousand Eight Hundred and Thirty-One

In Base 21 Unovigesimal Is

4d2c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

42828
4d2921
Forty-Two Thousand Eight Hundred and Twenty-Eight in Base 21 Unovigesimal
42829
4d2a21
Forty-Two Thousand Eight Hundred and Twenty-Nine in Base 21 Unovigesimal
42830
4d2b21
Forty-Two Thousand Eight Hundred and Thirty in Base 21 Unovigesimal
42832
4d2d21
Forty-Two Thousand Eight Hundred and Thirty-Two in Base 21 Unovigesimal
42833
4d2e21
Forty-Two Thousand Eight Hundred and Thirty-Three in Base 21 Unovigesimal
42834
4d2f21
Forty-Two Thousand Eight Hundred and Thirty-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.

4.2831e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004b791150h6ije21

The reciprocal of 42831 in Base 21 Unovigesimal.

Palindrome?

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

The number 4d2c21 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 thirty-one is a composite number with 6 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 thirty-one is a composite number with 6 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 thirty-one has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
4759
agd21
Four Thousand Seven Hundred and Fifty-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

3212 · agd211 = 4d2c21

Base Conversions

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