The Number

30642

Thirty Thousand Six Hundred and Forty-Two

In Base 21 Unovigesimal Is

36a321

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

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

Nearby Numbers

Positive, nonzero integers within three units

30639
36a021
Thirty Thousand Six Hundred and Thirty-Nine in Base 21 Unovigesimal
30640
36a121
Thirty Thousand Six Hundred and Forty in Base 21 Unovigesimal
30641
36a221
Thirty Thousand Six Hundred and Forty-One in Base 21 Unovigesimal
30643
36a421
Thirty Thousand Six Hundred and Forty-Three in Base 21 Unovigesimal
30644
36a521
Thirty Thousand Six Hundred and Forty-Four in Base 21 Unovigesimal
30645
36a621
Thirty 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.

3.0642e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000675k8k0dji2ca21

The reciprocal of 30642 in Base 21 Unovigesimal.

Palindrome?

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

The number 36a321 is not a palindrome.

Not A Prime Number

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

Thirty thousand six hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirty thousand six hundred and forty-two is a composite number with 8 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 thirty thousand six hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5107
bc421
Five Thousand One Hundred and 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

2211 · 3211 · bc4211 = 36a321

Base Conversions

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