The Number

42381

Forty-Two Thousand Three Hundred and Eighty-One

In Base 21 Unovigesimal Is

4c2321

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

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

Nearby Numbers

Positive, nonzero integers within three units

42378
4c2021
Forty-Two Thousand Three Hundred and Seventy-Eight in Base 21 Unovigesimal
42379
4c2121
Forty-Two Thousand Three Hundred and Seventy-Nine in Base 21 Unovigesimal
42380
4c2221
Forty-Two Thousand Three Hundred and Eighty in Base 21 Unovigesimal
42382
4c2421
Forty-Two Thousand Three Hundred and Eighty-Two in Base 21 Unovigesimal
42383
4c2521
Forty-Two Thousand Three Hundred and Eighty-Three in Base 21 Unovigesimal
42384
4c2621
Forty-Two Thousand Three Hundred and Eighty-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.

4.2381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004c7eba528fjb21

The reciprocal of 42381 in Base 21 Unovigesimal.

Palindrome?

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

The number 4c2321 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 three hundred and eighty-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 three hundred and eighty-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 three hundred and eighty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
277
d421
Two Hundred and Seventy-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

3212 · h211 · d4211 = 4c2321

Base Conversions

The number forty-two thousand three hundred and eighty-one in 35 different bases