The Number

21868

Twenty-One Thousand Eight Hundred and Sixty-Eight

In Base 6 Senary Is

2451246

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

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

Nearby Numbers

Positive, nonzero integers within three units

21865
2451216
Twenty-One Thousand Eight Hundred and Sixty-Five in Base 6 Senary
21866
2451226
Twenty-One Thousand Eight Hundred and Sixty-Six in Base 6 Senary
21867
2451236
Twenty-One Thousand Eight Hundred and Sixty-Seven in Base 6 Senary
21869
2451256
Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 6 Senary
21870
2451306
Twenty-One Thousand Eight Hundred and Seventy in Base 6 Senary
21871
2451316
Twenty-One Thousand Eight Hundred and Seventy-One in Base 6 Senary

Scientific Notation

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

2.1868e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000002044501523020530353256

The reciprocal of 21868 in Base 6 Senary.

Palindrome?

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

The number 2451246 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-eight is a composite number with 24 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-eight is a composite number with 24 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-eight has the following 4 prime factors:

2
26
Two in Base 6 Senary
7
116
Seven in Base 6 Senary
11
156
Eleven in Base 6 Senary
71
1556
Seventy-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

262 · 1161 · 1561 · 15561 = 2451246

Base Conversions

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