The Number

21801

Twenty-One Thousand Eight Hundred and One

In Base 6 Senary Is

2445336

The numbers with a 6 subscript use Base 6 Senary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21798
2445306
Twenty-One Thousand Seven Hundred and Ninety-Eight in Base 6 Senary
21799
2445316
Twenty-One Thousand Seven Hundred and Ninety-Nine in Base 6 Senary
21800
2445326
Twenty-One Thousand Eight Hundred in Base 6 Senary
21802
2445346
Twenty-One Thousand Eight Hundred and Two in Base 6 Senary
21803
2445356
Twenty-One Thousand Eight Hundred and Three in Base 6 Senary
21804
2445406
Twenty-One Thousand Eight Hundred and 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.

2.1801e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000002050131453123553016

The reciprocal of 21801 in Base 6 Senary.

Palindrome?

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

The number 2445336 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 one is a composite number with 12 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 eight hundred and one 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 one has the following 3 prime factors:

3
36
Three in Base 6 Senary
13
216
Thirteen in Base 6 Senary
43
1116
Forty-Three in Base 6 Senary

Prime Factorization

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

361 · 2162 · 11161 = 2445336

Base Conversions

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