The Number

21385

Twenty-One Thousand Three Hundred and Eighty-Five

In Base 6 Senary Is

2430016

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

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

Nearby Numbers

Positive, nonzero integers within three units

21382
2425546
Twenty-One Thousand Three Hundred and Eighty-Two in Base 6 Senary
21383
2425556
Twenty-One Thousand Three Hundred and Eighty-Three in Base 6 Senary
21384
2430006
Twenty-One Thousand Three Hundred and Eighty-Four in Base 6 Senary
21386
2430026
Twenty-One Thousand Three Hundred and Eighty-Six in Base 6 Senary
21387
2430036
Twenty-One Thousand Three Hundred and Eighty-Seven in Base 6 Senary
21388
2430046
Twenty-One Thousand Three Hundred and Eighty-Eight in Base 6 Senary

Scientific Notation

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

2.1385e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000002103130052102540410346

The reciprocal of 21385 in Base 6 Senary.

Palindrome?

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

The number 2430016 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 three hundred and eighty-five is a composite number with 16 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 three hundred and eighty-five is a composite number with 16 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 three hundred and eighty-five has the following 4 prime factors:

5
56
Five in Base 6 Senary
7
116
Seven in Base 6 Senary
13
216
Thirteen in Base 6 Senary
47
1156
Forty-Seven in Base 6 Senary

Prime Factorization

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

561 · 1161 · 2161 · 11561 = 2430016

Base Conversions

The number twenty-one thousand three hundred and eighty-five in 35 different bases