The Number

21666

Twenty-One Thousand Six Hundred and Sixty-Six

In Base 31 Untrigesimal Is

mgs31

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

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

Nearby Numbers

Positive, nonzero integers within three units

21663
mgp31
Twenty-One Thousand Six Hundred and Sixty-Three in Base 31 Untrigesimal
21664
mgq31
Twenty-One Thousand Six Hundred and Sixty-Four in Base 31 Untrigesimal
21665
mgr31
Twenty-One Thousand Six Hundred and Sixty-Five in Base 31 Untrigesimal
21667
mgt31
Twenty-One Thousand Six Hundred and Sixty-Seven in Base 31 Untrigesimal
21668
mgu31
Twenty-One Thousand Six Hundred and Sixty-Eight in Base 31 Untrigesimal
21669
mh031
Twenty-One Thousand Six Hundred and Sixty-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.

2.1666e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001bjbu0u3jj4m31

The reciprocal of 21666 in Base 31 Untrigesimal.

Palindrome?

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

The number mgs31 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 six hundred and sixty-six is a composite number with 16 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 six hundred and sixty-six is a composite number with 16 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 six hundred and sixty-six has the following 4 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
23
n31
Twenty-Three in Base 31 Untrigesimal
157
5231
One Hundred and Fifty-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 · 3311 · n311 · 52311 = mgs31

Base Conversions

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