The Number

2642

Two Thousand Six Hundred and Forty-Two

In Base 21 Unovigesimal Is

5kh21

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

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

Nearby Numbers

Positive, nonzero integers within three units

2639
5ke21
Two Thousand Six Hundred and Thirty-Nine in Base 21 Unovigesimal
2640
5kf21
Two Thousand Six Hundred and Forty in Base 21 Unovigesimal
2641
5kg21
Two Thousand Six Hundred and Forty-One in Base 21 Unovigesimal
2643
5ki21
Two Thousand Six Hundred and Forty-Three in Base 21 Unovigesimal
2644
5kj21
Two Thousand Six Hundred and Forty-Four in Base 21 Unovigesimal
2645
5kk21
Two Thousand Six Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

2.642e3

Reciprocal

A number multiplied with its reciprocal is one.

0.003achc14b6b0i21

The reciprocal of 2642 in Base 21 Unovigesimal.

Palindrome?

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

The number 5kh21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two thousand six hundred and forty-two 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.

Two thousand six hundred and forty-two 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 two thousand six hundred and forty-two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
1321
2kj21
One Thousand Three Hundred and Twenty-One 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 · 2kj211 = 5kh21

Base Conversions

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