The Number

21856

Twenty-One Thousand Eight Hundred and Fifty-Six

In Base 31 Untrigesimal Is

mn131

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

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

Nearby Numbers

Positive, nonzero integers within three units

21853
mmt31
Twenty-One Thousand Eight Hundred and Fifty-Three in Base 31 Untrigesimal
21854
mmu31
Twenty-One Thousand Eight Hundred and Fifty-Four in Base 31 Untrigesimal
21855
mn031
Twenty-One Thousand Eight Hundred and Fifty-Five in Base 31 Untrigesimal
21857
mn231
Twenty-One Thousand Eight Hundred and Fifty-Seven in Base 31 Untrigesimal
21858
mn331
Twenty-One Thousand Eight Hundred and Fifty-Eight in Base 31 Untrigesimal
21859
mn431
Twenty-One Thousand Eight Hundred and Fifty-Nine in Base 31 Untrigesimal

Scientific Notation

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

2.1856e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001b7rqr0486m631

The reciprocal of 21856 in Base 31 Untrigesimal.

Palindrome?

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

The number mn131 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 fifty-six is a composite number with 12 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 fifty-six is a composite number with 12 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 fifty-six has the following 2 prime factors:

2
231
Two in Base 31 Untrigesimal
683
m131
Six Hundred and Eighty-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

2315 · m1311 = mn131

Base Conversions

The number twenty-one thousand eight hundred and fifty-six in 35 different bases