The Number

42866

Forty-Two Thousand Eight Hundred and Sixty-Six

In Base 21 Unovigesimal Is

4d4521

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

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

Nearby Numbers

Positive, nonzero integers within three units

42863
4d4221
Forty-Two Thousand Eight Hundred and Sixty-Three in Base 21 Unovigesimal
42864
4d4321
Forty-Two Thousand Eight Hundred and Sixty-Four in Base 21 Unovigesimal
42865
4d4421
Forty-Two Thousand Eight Hundred and Sixty-Five in Base 21 Unovigesimal
42867
4d4621
Forty-Two Thousand Eight Hundred and Sixty-Seven in Base 21 Unovigesimal
42868
4d4721
Forty-Two Thousand Eight Hundred and Sixty-Eight in Base 21 Unovigesimal
42869
4d4821
Forty-Two Thousand Eight 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.

4.2866e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004b5gf0e78108h21

The reciprocal of 42866 in Base 21 Unovigesimal.

Palindrome?

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

The number 4d4521 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 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 eight 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 eight hundred and sixty-six has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
21433
26cd21
Twenty-One Thousand Four Hundred and Thirty-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 · 26cd211 = 4d4521

Base Conversions

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