The Number

42566

Forty-Two Thousand Five Hundred and Sixty-Six

In Base 21 Unovigesimal Is

4cak21

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

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

Nearby Numbers

Positive, nonzero integers within three units

42563
4cah21
Forty-Two Thousand Five Hundred and Sixty-Three in Base 21 Unovigesimal
42564
4cai21
Forty-Two Thousand Five Hundred and Sixty-Four in Base 21 Unovigesimal
42565
4caj21
Forty-Two Thousand Five Hundred and Sixty-Five in Base 21 Unovigesimal
42567
4cb021
Forty-Two Thousand Five Hundred and Sixty-Seven in Base 21 Unovigesimal
42568
4cb121
Forty-Two Thousand Five Hundred and Sixty-Eight in Base 21 Unovigesimal
42569
4cb221
Forty-Two Thousand Five Hundred and Sixty-Nine in Base 21 Unovigesimal

Scientific Notation

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

4.2566e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004bjihf97893d621

The reciprocal of 42566 in Base 21 Unovigesimal.

Palindrome?

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

The number 4cak21 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 five hundred and sixty-six is a composite number with 4 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 five hundred and sixty-six is a composite number with 4 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 five hundred and sixty-six has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
21283
265a21
Twenty-One Thousand Two Hundred and Eighty-Three 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 · 265a211 = 4cak21

Base Conversions

The number forty-two thousand five hundred and sixty-six in 35 different bases