The Number

21691

Twenty-One Thousand Six Hundred and Ninety-One

In Base 30 Trigesimal Is

o3130

The numbers with a 30 subscript use Base 30 Trigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21688
o2s30
Twenty-One Thousand Six Hundred and Eighty-Eight in Base 30 Trigesimal
21689
o2t30
Twenty-One Thousand Six Hundred and Eighty-Nine in Base 30 Trigesimal
21690
o3030
Twenty-One Thousand Six Hundred and Ninety in Base 30 Trigesimal
21692
o3230
Twenty-One Thousand Six Hundred and Ninety-Two in Base 30 Trigesimal
21693
o3330
Twenty-One Thousand Six Hundred and Ninety-Three in Base 30 Trigesimal
21694
o3430
Twenty-One Thousand Six Hundred and Ninety-Four in Base 30 Trigesimal

Scientific Notation

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

2.1691e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0017a8c83e6oo530

The reciprocal of 21691 in Base 30 Trigesimal.

Palindrome?

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

The number o3130 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 ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 30 Trigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand six hundred and ninety-one 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 twenty-one thousand six hundred and ninety-one has the following 2 prime factors:

109
3j30
One Hundred and Nine in Base 30 Trigesimal
199
6j30
One Hundred and Ninety-Nine in Base 30 Trigesimal

Prime Factorization

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

3j301 · 6j301 = o3130

Base Conversions

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