The Number

21385

Twenty-One Thousand Three Hundred and Eighty-Five

In Base 5 Quinary Is

11410205

The numbers with a 5 subscript use Base 5 Quinary 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
11410125
Twenty-One Thousand Three Hundred and Eighty-Two in Base 5 Quinary
21383
11410135
Twenty-One Thousand Three Hundred and Eighty-Three in Base 5 Quinary
21384
11410145
Twenty-One Thousand Three Hundred and Eighty-Four in Base 5 Quinary
21386
11410215
Twenty-One Thousand Three Hundred and Eighty-Six in Base 5 Quinary
21387
11410225
Twenty-One Thousand Three Hundred and Eighty-Seven in Base 5 Quinary
21388
11410235
Twenty-One Thousand Three Hundred and Eighty-Eight in Base 5 Quinary

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.

0.000000331131210130303004101015

The reciprocal of 21385 in Base 5 Quinary.

Palindrome?

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

The number 11410205 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 5 Quinary

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
105
Five in Base 5 Quinary
7
125
Seven in Base 5 Quinary
13
235
Thirteen in Base 5 Quinary
47
1425
Forty-Seven in Base 5 Quinary

Prime Factorization

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

1051 · 1251 · 2351 · 14251 = 11410205

Base Conversions

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