The Number

21385

Twenty-One Thousand Three Hundred and Eighty-Five

In Base 12 Duodecimal Is

1046112

The numbers with a 12 subscript use Base 12 Duodecimal 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
1045a12
Twenty-One Thousand Three Hundred and Eighty-Two in Base 12 Duodecimal
21383
1045b12
Twenty-One Thousand Three Hundred and Eighty-Three in Base 12 Duodecimal
21384
1046012
Twenty-One Thousand Three Hundred and Eighty-Four in Base 12 Duodecimal
21386
1046212
Twenty-One Thousand Three Hundred and Eighty-Six in Base 12 Duodecimal
21387
1046312
Twenty-One Thousand Three Hundred and Eighty-Seven in Base 12 Duodecimal
21388
1046412
Twenty-One Thousand Three Hundred and Eighty-Eight in Base 12 Duodecimal

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.

0.0000b776842a29860a912

The reciprocal of 21385 in Base 12 Duodecimal.

Palindrome?

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

The number 1046112 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 12 Duodecimal

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
512
Five in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
13
1112
Thirteen in Base 12 Duodecimal
47
3b12
Forty-Seven in Base 12 Duodecimal

Prime Factorization

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

5121 · 7121 · 11121 · 3b121 = 1046112

Base Conversions

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