The Number

21813

Twenty-One Thousand Eight Hundred and Thirteen

In Base 6 Senary Is

2445536

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

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

Nearby Numbers

Positive, nonzero integers within three units

21810
2445506
Twenty-One Thousand Eight Hundred and Ten in Base 6 Senary
21811
2445516
Twenty-One Thousand Eight Hundred and Eleven in Base 6 Senary
21812
2445526
Twenty-One Thousand Eight Hundred and Twelve in Base 6 Senary
21814
2445546
Twenty-One Thousand Eight Hundred and Fourteen in Base 6 Senary
21815
2445556
Twenty-One Thousand Eight Hundred and Fifteen in Base 6 Senary
21816
2450006
Twenty-One Thousand Eight Hundred and Sixteen in Base 6 Senary

Scientific Notation

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

2.1813e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000205000052030021211316

The reciprocal of 21813 in Base 6 Senary.

Palindrome?

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

The number 2445536 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 thirteen is a composite number with 8 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 thirteen is a composite number with 8 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 thirteen has the following 3 prime factors:

3
36
Three in Base 6 Senary
11
156
Eleven in Base 6 Senary
661
30216
Six Hundred and Sixty-One 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 · 1561 · 302161 = 2445536

Base Conversions

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