The Number

21385

Twenty-One Thousand Three Hundred and Eighty-Five

In Base 3 Ternary Is

10021000013

The numbers with a 3 subscript use Base 3 Ternary 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
10020222213
Twenty-One Thousand Three Hundred and Eighty-Two in Base 3 Ternary
21383
10020222223
Twenty-One Thousand Three Hundred and Eighty-Three in Base 3 Ternary
21384
10021000003
Twenty-One Thousand Three Hundred and Eighty-Four in Base 3 Ternary
21386
10021000023
Twenty-One Thousand Three Hundred and Eighty-Six in Base 3 Ternary
21387
10021000103
Twenty-One Thousand Three Hundred and Eighty-Seven in Base 3 Ternary
21388
10021000113
Twenty-One Thousand Three Hundred and Eighty-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.

2.1385e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000002202112221101020012011200211211223

The reciprocal of 21385 in Base 3 Ternary.

Palindrome?

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

The number 10021000013 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 3 Ternary

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
123
Five in Base 3 Ternary
7
213
Seven in Base 3 Ternary
13
1113
Thirteen in Base 3 Ternary
47
12023
Forty-Seven 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 · 2131 · 11131 · 120231 = 10021000013

Base Conversions

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