The Number

21865

Twenty-One Thousand Eight Hundred and Sixty-Five

In Base 3 Ternary Is

10022222113

The numbers with a 3 subscript use Base 3 Ternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21862
10022222013
Twenty-One Thousand Eight Hundred and Sixty-Two in Base 3 Ternary
21863
10022222023
Twenty-One Thousand Eight Hundred and Sixty-Three in Base 3 Ternary
21864
10022222103
Twenty-One Thousand Eight Hundred and Sixty-Four in Base 3 Ternary
21866
10022222123
Twenty-One Thousand Eight Hundred and Sixty-Six in Base 3 Ternary
21867
10022222203
Twenty-One Thousand Eight Hundred and Sixty-Seven in Base 3 Ternary
21868
10022222213
Twenty-One Thousand Eight Hundred and Sixty-Eight in Base 3 Ternary

Scientific Notation

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

2.1865e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000002200220202020211021102210221101023

The reciprocal of 21865 in Base 3 Ternary.

Palindrome?

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

The number 10022222113 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-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 3 Ternary

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and sixty-five is a composite number with 4 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-five has the following 2 prime factors:

5
123
Five in Base 3 Ternary
4373
122222223
Four Thousand Three Hundred and Seventy-Three in Base 3 Ternary

Prime Factorization

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

1231 · 1222222231 = 10022222113

Base Conversions

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