The Number

21842

Twenty-One Thousand Eight Hundred and Forty-Two

In Base 31 Untrigesimal Is

mmi31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21839
mmf31
Twenty-One Thousand Eight Hundred and Thirty-Nine in Base 31 Untrigesimal
21840
mmg31
Twenty-One Thousand Eight Hundred and Forty in Base 31 Untrigesimal
21841
mmh31
Twenty-One Thousand Eight Hundred and Forty-One in Base 31 Untrigesimal
21843
mmj31
Twenty-One Thousand Eight Hundred and Forty-Three in Base 31 Untrigesimal
21844
mmk31
Twenty-One Thousand Eight Hundred and Forty-Four in Base 31 Untrigesimal
21845
mml31
Twenty-One Thousand Eight Hundred and Forty-Five in Base 31 Untrigesimal

Scientific Notation

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

2.1842e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001b8mrmi47l7m31

The reciprocal of 21842 in Base 31 Untrigesimal.

Palindrome?

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

The number mmi31 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand eight hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight 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 twenty-one thousand eight hundred and forty-two has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
67
2531
Sixty-Seven in Base 31 Untrigesimal
163
5831
One Hundred and Sixty-Three in Base 31 Untrigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2311 · 25311 · 58311 = mmi31

Base Conversions

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