The Number

21866

Twenty-One Thousand Eight Hundred and Sixty-Six

In Base 6 Senary Is

2451226

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

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

Nearby Numbers

Positive, nonzero integers within three units

21863
2451156
Twenty-One Thousand Eight Hundred and Sixty-Three in Base 6 Senary
21864
2451206
Twenty-One Thousand Eight Hundred and Sixty-Four in Base 6 Senary
21865
2451216
Twenty-One Thousand Eight Hundred and Sixty-Five in Base 6 Senary
21867
2451236
Twenty-One Thousand Eight Hundred and Sixty-Seven in Base 6 Senary
21868
2451246
Twenty-One Thousand Eight Hundred and Sixty-Eight in Base 6 Senary
21869
2451256
Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 6 Senary

Scientific Notation

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

2.1866e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000002044515001402422155156

The reciprocal of 21866 in Base 6 Senary.

Palindrome?

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

The number 2451226 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 sixty-six 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 sixty-six 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 sixty-six has the following 3 prime factors:

2
26
Two in Base 6 Senary
13
216
Thirteen in Base 6 Senary
29
456
Twenty-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

261 · 2161 · 4562 = 2451226

Base Conversions

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