The Number

21386

Twenty-One Thousand Three Hundred and Eighty-Six

In Base 31 Untrigesimal Is

m7r31

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

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

Nearby Numbers

Positive, nonzero integers within three units

21383
m7o31
Twenty-One Thousand Three Hundred and Eighty-Three in Base 31 Untrigesimal
21384
m7p31
Twenty-One Thousand Three Hundred and Eighty-Four in Base 31 Untrigesimal
21385
m7q31
Twenty-One Thousand Three Hundred and Eighty-Five in Base 31 Untrigesimal
21387
m7s31
Twenty-One Thousand Three Hundred and Eighty-Seven in Base 31 Untrigesimal
21388
m7t31
Twenty-One Thousand Three Hundred and Eighty-Eight in Base 31 Untrigesimal
21389
m7u31
Twenty-One Thousand Three Hundred and Eighty-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.

2.1386e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001c5l8ojcsd4i31

The reciprocal of 21386 in Base 31 Untrigesimal.

Palindrome?

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

The number m7r31 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 three hundred and eighty-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 three hundred and eighty-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 three hundred and eighty-six has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
17
h31
Seventeen in Base 31 Untrigesimal
37
1631
Thirty-Seven 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 · h312 · 16311 = m7r31

Base Conversions

The number twenty-one thousand three hundred and eighty-six in 35 different bases