The Number

21691

Twenty-One Thousand Six Hundred and Ninety-One

In Base 6 Senary Is

2442316

The numbers with a 6 subscript use Base 6 Senary 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
2442246
Twenty-One Thousand Six Hundred and Eighty-Eight in Base 6 Senary
21689
2442256
Twenty-One Thousand Six Hundred and Eighty-Nine in Base 6 Senary
21690
2442306
Twenty-One Thousand Six Hundred and Ninety in Base 6 Senary
21692
2442326
Twenty-One Thousand Six Hundred and Ninety-Two in Base 6 Senary
21693
2442336
Twenty-One Thousand Six Hundred and Ninety-Three in Base 6 Senary
21694
2442346
Twenty-One Thousand Six Hundred and Ninety-Four in Base 6 Senary

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.

0.000002052334101021443014356

The reciprocal of 21691 in Base 6 Senary.

Palindrome?

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

The number 2442316 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 6 Senary

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
3016
One Hundred and Nine in Base 6 Senary
199
5316
One Hundred and Ninety-Nine in Base 6 Senary

Prime Factorization

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

30161 · 53161 = 2442316

Base Conversions

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