The Number

12842

Twelve Thousand Eight Hundred and Forty-Two

In Base 21 Unovigesimal Is

182b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

12839
182821
Twelve Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
12840
182921
Twelve Thousand Eight Hundred and Forty in Base 21 Unovigesimal
12841
182a21
Twelve Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
12843
182c21
Twelve Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal
12844
182d21
Twelve Thousand Eight Hundred and Forty-Four in Base 21 Unovigesimal
12845
182e21
Twelve Thousand Eight 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.

1.2842e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000f30bhgf5d7gi21

The reciprocal of 12842 in Base 21 Unovigesimal.

Palindrome?

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

The number 182b21 is not a palindrome.

Not A Prime Number

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

Twelve thousand eight 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.

Twelve thousand eight 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 twelve thousand eight hundred and forty-two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
6421
ebg21
Six Thousand Four 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 · ebg211 = 182b21

Base Conversions

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